Everyday Math Grade 1 Answers Unit 3 Number Stories

Everyday Mathematics 1st Grade Answer Key Unit 3 Number Stories

Everyday Mathematics Grade 1 Home Link 3.1 Answers

Parts-and-Total Situations

Family Note
Parts-and-total situations are also known as “putting together” or “taking apart” situations. Two or more quantities (parts) are put together to make a total, or a total number is separated into parts. Children are asked to find the total or a missing part in a number story. This is one of many kinds of addition and subtraction number stories your child solves in first grade.

Solve. Use the parts-and-total diagrams to help you.
Question 1.
Jenny answered every test question. She got 5 right and 3 wrong. How many questions were on the test?
Everyday Mathematics Grade 1 Home Link 3.1 Answers 1
________ questions
Answer:
Total number of questions in the test = 8 or Eight.
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-1

Explanation:
Number of questions Jenny wrote right = 5 or Five.
Number of questions Jenny wrote wrong =3 or Three.
Total number of questions in the test = Number of questions Jenny wrote right + Number of questions Jenny wrote wrong
= 5 + 3
= 8 or Eight.

 

Question 2.
There are 10 kids on Kevin’s team. 8 are boys. The rest are girls. How many girls are on the team?
Everyday Mathematics Grade 1 Home Link 3.1 Answers 1
_______ girls
Answer:
Number of girls on Kevin’s team = 2 or Two.
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Mathematics Grade 1 Home Link 3.1 Answers - 2

Explanation:
Total number of kids on Kevin’s team = 10 or Ten.
Number of boys on Kevin’s team = 8 or Eight.
Number of girls on Kevin’s team = Total number of kids on Kevin’s team – Number of boys on Kevin’s team
= 10 – 8
= 2 or Two.

 

Practice
Question 3.
Count by 1s.
43, 44, ______, ______, ______, ______
Answer:
43, 44, __45__, __46__, __47__, __ 48 __.
Explanation:
Counting by 1s.
Missing number are:
45 , 46 , 47 , 48.

 

Everyday Math Grade 1 Home Link 3.2 Answer Key

Practicing Number Stories

Family Note
Today your child practiced solving number stories and shared problem-solving strategies. To solve number stories, children learn that they must first make sense of the stories, then carry out the operations. Do not expect your child to have mastered these skills yet. There will be many more opportunities to practice solving number stories throughout the year.

Question 1.
Solve. Explain your strategy to someone at home. Walt was at the carnival. He had 8 carnival tickets and 2 pens. He traded 4 tickets for 1 more pen.
How many tickets does Walt have now? _______tickets
How many pens does Walt have now? _______ pens
Answer:
Number of carnival tickets Walt has now = 4 or Four.
Number of pens Walt has now = 3 or Three.

Explanation:
Total number of carnival tickets Walt has = 8 or Eight.
Total number of pens Walt has = 2 or Two.
Number of carnival tickets Walt has traded = 4 or Four.
Number of carnival tickets Walt has now = Total number of carnival tickets Walt has – Number of carnival tickets Walt has traded
= 8 – 4
= 4 or Four.
Number of pens Walt got in Trading = 1 or one.
Number of pens Walt has now = Total number of pens Walt has + Number of pens Walt got in Trading
= 2 + 1
= 3 or Three.

 

Question 2.
Write a number story that matches this number sentence.
4 + 3 = 7
Answer:
Total number of chocolates we both have = 7 or Seven.

Explanation:
Number of chocolates I have with me = 4 or Four.
Number of chocolates My friend has with him = 3 or Three.
Total number of chocolates we both have = Number of chocolates I have with me + Number of chocolates My friend has with him
= 4 + 3
= 7 or Seven.

 

Practice
Count up to solve.
Question 3.
What number is 4 more than 12?
Answer:
Number 4 more than 12 = 16.

Explanation:
Number 4 more than 12 = 12 + 4 = 16.

 

Question 4.
What number is 3 more than 17?
Answer:
Number 3 more than 17 = 20.

Explanation:
Number 3 more than 17 = 17 + 3 = 20.

 

Question 5.
What number is 9 more than 26?
Answer:

Explanation:
Number 9 more than 26 = 26 + 9 = 35.

 

Everyday Mathematics Grade 1 Home Link 3.3 Answers

Ordering Objects by Length

Family Note
Today your child explored length by directly comparing the lengths of objects side-by-side. This activity helps prepare children to compare lengths of objects indirectly and to measure length more formally. In the next unit, your child will begin to measure length using items in the classroom, such as blocks and paper clips. Children also explored doubles facts and counted a collection of objects. Children also counted the number of chair legs in the classroom and wrote number models for matching pairs.

Question 1.
Find two things in your home that are about the same length. Draw pictures of them.
Answer:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Mathematics Grade 1 Home Link 3.3 Answers-1

Explanation:
Two things in my home that are about the same length are my grandfather’s chair and my father’s laptop.

 

Question 2.
Find two things that have very different lengths. Draw pictures of them.
Answer:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Mathematics Grade 1 Home Link 3.3 Answers-2

Explanation:
Two things that have very different lengths in my home are our window in bed room and our dinning table.

 

Practice
Question 3.
Start at 2. Count up 3. Where do you land? __________
Start at 3. Count up 2. Where do you land? _________
Did you end at the same number for both? _________
Answer:
Yes, I have end at the same number for both.

Explanation:
Starting at 2. Counting  up 3.
Number = 2 + 3 = 5 or Five.
Starting at 3. Counting up 2.
Number = 3 + 2 = 5 or Five.

 

 

Everyday Math Grade 1 Home Link 3.4 Answer Key

Number Stories

Family Note
Today, your child drew pictures and wrote number models to represent number stories. After your child completes this Home Link, ask him or her to explain how the numbers in the number model are represented in the picture.

Question 1.
Dillon’s family has 5 fish and 3 cats. Draw a picture of the fish and the cats.
How many pets does Dillon’s family have in all?
________ pets
Write a number model.
Answer:
Total number of pets Dillon’s family has = 8 or Eight.
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Math Grade 1 Home Link 3.4 Answer Key-1

Explanation:
Number of fishes Dillon’s family has = 5 or Five.
Number of cats Dillon’s family has = 3 or three.
Total number of pets Dillon’s family has = Number of fishes Dillon’s family has + Number of cats Dillon’s family has
= 5 + 3
= 8 or Eight.

 

Practice
Question 2.
Laura had 14 tickets. She bought an eraser. She has 7 tickets left. How many tickets did the eraser cost?
Everyday Math Grade 1 Home Link 3.4 Answer Key 1
14 – _______ = 7
Answer:
Number of Tickets the eraser costed = 7 or Seven.

Explanation:
Everyday Math Grade 1 Home Link 3.4 Answer Key 1
Number of Tickets Laura had = 14 or Fourteen.
Number of Tickets Laura has left = 7 or Seven.
Number of Tickets the eraser costed = Number of Tickets Laura had – Number of Tickets Laura has left
= 14 – 7
= 7 or Seven.

Everyday Mathematics Grade 1 Home Link 3.5 Answers

Counting on Number Lines

Family Note
Today your child learned many ways to count on a number line. Ask your child to tell you about patterns in number-line counts.

Everyday Mathematics Grade 1 Home Link 3.5 Answers 1
Question 1.
Count by 10s. 0, _______, _______
Answer:
0, ___10____, ___20____.

Explanation:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Mathematics Grade 1 Home Link 3.5 Answers-1
Counting by 10s.
0 , 10 , 20.

 

Question 2.
Count by 5s. 0, _______, _______, _______, _______
Answer:
0, __5_____, ___10____, ___15____, ___20____.

Explanation:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Mathematics Grade 1 Home Link 3.5 Answers-2
Counting by 5s.
5 , 10 , 15 , 20.

 

Question 3.
Count by 2s. 0, _______, _______, _______, _______
Answer:
0, ___2____, ___4____, ___6____, ___8____.

Explanation:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Mathematics Grade 1 Home Link 3.5 Answers-3
Counting by 2s.
0 , 2 , 4 , 6 , 8 .

 

Question 4.
Count by 1s. 0, _______, _______, _______, _______
Answer:
0, ___1____, ___2____, ___3____, ___4____.

Explanation:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Mathematics Grade 1 Home Link 3.5 Answers-4
Counting  by 1s.
1 , 2 , 3 , 4.

 

Question 5.
How is counting by 5s like counting by 10s?
Answer:
Counting by 5s is same like counting by 10s because both cases we are doing addition.

Explanation:
Counting by 5s is same like counting by 10s because both cases we are doing addition.
In counting by 5s we add 5.
In counting by 10s we add 10.

 

Practice
Find the sums.
Question 6.
Everyday Mathematics Grade 1 Home Link 3.5 Answers 2 = _______
Answer:
Sum = 6 + 4 = 10 or Ten.

Explanation:
Everyday Mathematics Grade 1 Home Link 3.5 Answers 2

Number of dots in first dice= 6 or Six.
Number of dots in second dice = 4 or Four.
Total number of dots in the dices = Number of dots in first dice + Number of dots in second dice
= 6 + 4
= 10 or Ten.

 

Question 7.
Everyday Mathematics Grade 1 Home Link 3.5 Answers 3 = ________
Answer:
Sum = 4 + 4 = 8 or Eight.

Explanation:
Everyday Mathematics Grade 1 Home Link 3.5 Answers 3
Number of dots in first dice= 4 or Four.
Number of dots in second dice = 4 or Four.
Total number of dots in the dices = Number of dots in first dice + Number of dots in second dice
= 4 + 4
= 8 or Eight.

 

Everyday Math Grade 1 Home Link 3.6 Answer Key

Counting to Add and Subtract

Family Note
Today your child solved problems like 3 + 2 and 8 – 5 by counting up and back on a number line. Ask your child to show you how to do this.

Draw hops on the number line to help you solve these problems.
Question 1.
9 + 4 = __________
Everyday Math Grade 1 Home Link 3.6 Answer Key 1
Answer:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Math Grade 1 Home Link 3.6 Answer Key-1

Explanation:
Sum of 9 and 4 = 9 + 4 = 13.

 

Question 2.
3 + 8 = __________
Everyday Math Grade 1 Home Link 3.6 Answer Key 1
Answer:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Math Grade 1 Home Link 3.6 Answer Key-2

Explanation:
Sum of 8 and 3 = 8 + 3 = 11 or Eleven.

 

Question 3.
11 – 4 = _________
Everyday Math Grade 1 Home Link 3.6 Answer Key 1
Answer:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Math Grade 1 Home Link 3.6 Answer Key-3

Explanation:
Difference of 11 and 4 = 11 – 4 = 7 or Seven.

 

Practice
Question 4.
Circle the winning card in Top-It.
Everyday Math Grade 1 Home Link 3.6 Answer Key 2
Answer:
18 or Eighteen and 12 or Twelve  numbers are not same to twin.

Explanation:
Everyday Math Grade 1 Home Link 3.6 Answer Key 2
There is no twinning card among this both cards because the card numbers are not matching with each other.

 

 

Everyday Mathematics Grade 1 Home Link 3.7 Answers

More Counting to Add and Subtract

Family Note
Today your child worked with number sentences that have unknowns in different positions. Children solved number sentences such as 4 + ? = 7 and ? – 5 = 3. Ask your child to show how to use a number line to find unknown numbers. For example, to solve 4 + ? = 7, your child might start at 4 and count the number of hops it takes to get to 7.

Find the missing number. Use the number line.
Everyday Mathematics Grade 1 Home Link 3.7 Answers 1
Question 1.
Everyday Mathematics Grade 1 Home Link 3.7 Answers 2 + 8 = 13
Answer:
Missing number = 5 or Five.
__5__ + 8 = 13.

Explanation:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Mathematics Grade 1 Home Link 3.7 Answers-1

Question 2.
Everyday Mathematics Grade 1 Home Link 3.7 Answers 2 – 9 = 6
Answer:
Missing number = Fifteen or 15.

Explanation:

Difference = 15 – 9 = 6.

Question 3.
Everyday Mathematics Grade 1 Home Link 3.7 Answers 2 + 9 = 18
Answer:
Missing number = 9 or Nine.

Explanation:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Mathematics Grade 1 Home Link 3.7 Answers-3
Sum = 9 + 9 = 18.

 

Question 4.
5 + Everyday Mathematics Grade 1 Home Link 3.7 Answers 2 = 11
Answer:
Missing number = 6 or Six.

Explanation:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Mathematics Grade 1 Home Link 3.7 Answers-4
5 + 6 = 11.

Question 5.
14 – Everyday Mathematics Grade 1 Home Link 3.7 Answers 2 = 7
Answer:
Missing number = 7 or Seven.

Explanation:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Mathematics Grade 1 Home Link 3.7 Answers-5
14 – 7 = 7.

Question 6.
12 – Everyday Mathematics Grade 1 Home Link 3.7 Answers 2 = 8
Answer:
Missing number = 4 or Four.

Explanation:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Mathematics Grade 1 Home Link 3.7 Answers-6
12 – 4 = 8.

Practice
Everyday Mathematics Grade 1 Home Link 3.7 Answers 3
Question 7.
How many flowers in all?
________ flowers
Answer:
Total number of Flowers in all = 20 or Twenty.

Explanation:
Number of Roses = 5 + 5 + 2 = 10 + 2 = 12 or Twelve.
Number of Daisies =  5 + 3 = 8 or Eight.
Total number of Flowers in all = Number of Roses + Number of Daisies
= 12 + 8
= 20 or Twenty.

Question 8.
Make tally marks to show how many flowers in all.
Answer:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Mathematics Grade 1 Home Link 3.7 Answers-7

Explanation:
Total number of Flowers in all = 20 or Twenty.

Skip Counting to Add and Subtract

Family Note
Today your child found patterns on the number grid and used them to add and subtract.

Question 1.
Start at 5. Count by 5s.
Draw an X on each square to show the count.
Everyday Math Grade 1 Home Link 3.8 Answer Key 1
Answer:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Math Grade 1 Home Link 3.8 Answer Key-1

Explanation:
Starting at 5. Counting by 5s.
Numbers are 5 ,10 , 15 , 20 , 25 , 30 , 35 , 40 , 45 , 50.

 

Question 2.
Use the number grid.
Count by 5s to find the missing numbers.
5 + 5 = __________
20 – 15 = __________
Answer:
5 + 5 = ____10______.
20 – 15 = ___10_______.

Explanation:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Math Grade 1 Home Link 3.8 Answer Key-2


Practice

Solve. Use the number grid above to help you.
Question 3.
Start at 17. Count up 7 hops. Where do you land?
Answer:
I have land at 45 number.

Explanation:
Starting at 17. Counting up 7 hops:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Math Grade 1 Home Link 3.8 Answer Key-3

Question 4.
Start at 21. Count up 10 hops. Where do you land?
Answer:
I have land at 41 number.

Explanation:
Starting at 21. Counting up 10 hops
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Math Grade 1 Home Link 3.8 Answer Key-4

 

Question 5.
Start at 25. Count up 14 hops. Where do you land?
Answer:
I have land at 39 number because after that number is not in the number grid.

Explanation:
Starting at 25. Counting up 14 hops.
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Math Grade 1 Home Link 3.8 Answer Key-5

Question 6.
Start at 28. Count up 18 hops. Where do you land?
Answer:
I have landed on 28 number because 18 added to it will get 46 number which is not in the number grid.

Explanation:
Starting  at 28. Counting up 18 hops.
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Math Grade 1 Home Link 3.8 Answer Key-6

 

 

Everyday Mathematics Grade 1 Home Link 3.9 Answers

Frames-and-Arrows Diagrams (cont.)

Family Note
Ask your child to tell you about Frames and Arrows. Take turns making up and solving Frames-and-Arrows problems.

Find the missing numbers.
Question 1.
Everyday Mathematics Grade 1 Home Link 3.9 Answers 1
Answer:
Missing numbers are 7 , 9 , 11 , !5.

Explanation:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Mathematics Grade 1 Home Link 3.9 Answers-1

Question 2.
Everyday Mathematics Grade 1 Home Link 3.9 Answers 2
Answer:
Missing numbers are 17 , 14 , 13.

Explanation:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Mathematics Grade 1 Home Link 3.9 Answers-2

Question 3.
Everyday Mathematics Grade 1 Home Link 3.9 Answers 3
Answer:
Missing numbers are 15 , 20 , 25.

Explanation:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Mathematics Grade 1 Home Link 3.9 Answers-3

Practice
Question 4.
Count hops on the number line to solve.
Everyday Mathematics Grade 1 Home Link 3.9 Answers 4
6 + 3 = ______
________ = 10 – 2
________ = 9 – 5
7 – 4 = ________
Answer:
6 + 3 = ___9___.
___8_____ = 10 – 2
___4_____ = 9 – 5
7 – 4 = __3______.

Explanation:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Mathematics Grade 1 Home Link 3.9 Answers-4
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Mathematics Grade 1 Home Link 3.9 Answers-5
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Mathematics Grade 1 Home Link 3.9 Answers-6
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Mathematics Grade 1 Home Link 3.9 Answers-7

 

 

Everyday Math Grade 1 Home Link 3.10 Answer Key

Counting Hops on the Number Line

Question 1.
How many hops are between each circled number?
_______ hops
Everyday Math Grade 1 Home Link 3.10 Answer Key 1
Answer:
There are 3 or Three hops in between each circled numbers.

Explanation:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Math Grade 1 Home Link 3.10 Answer Key-1

Question 2.
How many hops are between each circled number?
________ hops
Everyday Math Grade 1 Home Link 3.10 Answer Key 2
Answer:
There are 4 or Four hops in between the each circled numbers.

Explanation:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Math Grade 1 Home Link 3.10 Answer Key-2

Question 3.
How many hops are between each circled number?
_______ hops
Everyday Math Grade 1 Home Link 3.10 Answer Key 3
Answer:
There is 2 hops between the each circled number.

Explanation:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Math Grade 1 Home Link 3.10 Answer Key-3

Try This
Question 4.
How many hops are between each circled number?
__________ hops
Everyday Math Grade 1 Home Link 3.10 Answer Key 4
Answer:
There is 7 or Seven hops between the each circled numbers.

Explanation:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Math Grade 1 Home Link 3.10 Answer Key-4

Finding the Rule

Family Note
Today your child worked with Frames-and-Arrows diagrams that had missing rules. You may wish to refer to the Family Note for Lesson 3-9 to review the Frames-and-Arrows routine.

Show someone at home how to find the rules. Then write each rule.
Question 1.
Everyday Math Grade 1 Home Link 3.10 Answer Key 5
Answer:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Math Grade 1 Home Link 3.10 Answer Key-Finding the Rule-1

Explanation:
Greatest number – Smaller number = Difference.
=> 5 – 3 = 2 or Two.

Question 2.
Everyday Math Grade 1 Home Link 3.10 Answer Key 6
Answer:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Math Grade 1 Home Link 3.10 Answer Key-Finding the Rule-2

Explanation:
Greatest number – Smaller number = Difference.
=> 10 – 5 = 5 or Five.

 

Question 3.
Everyday Math Grade 1 Home Link 3.10 Answer Key 7
Answer:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Math Grade 1 Home Link 3.10 Answer Key-Finding the Rule-3

Explanation:
Greatest number – Smaller number = Difference.
=> 18 – 15 = 3 or Three.

Practice
Question 4.
Draw 35 stars on the back of the page.
Answer:
Everyday-Mathematics-1st-Grade-Answer-Key-Unit-3-Number-Stories-Everyday Math Grade 1 Home Link 3.10 Answer Key-Finding the Rule-4

Explanation:
A star is a five shaped figure.

 

 

Everyday Mathematics Grade 1 Home Link 3.11 Answers

Counting with Calculators

Family Note
Today your child learned how to program a calculator to count up and back by different numbers. Children connected this counting to addition and subtraction. If you have a calculator at home, program it to skip count and use it to check your child’s work below.

Write the counts.
Question 1.
Start at: 3
Count: up
By: 3s
_______, _______, _______, _______, _______, _______, _______
Answer:
__3____, ___6____, ___9____, ___12____, __15_____, ___18____, ___21____.

Explanation:
Starting at 3. Counting up by 3s.
Missing numbers are : 3 , 6 , 9 , 12 , 15 , 18 , 21.

Question 2.
Start at: 20
Count: back
By: 2s
_______, _______, _______, _______, _______, _______, _______
Answer:
___20____, __18_____, ___16____, ___14____, __12_____, ___10____, __8_____.

Explanation:
Starting at 20. Counting back by 2s.
Missing numbers are : 20 , 18 , 16 , 14 , 12, 10 , 8.

 

Question 3.
Start at: 45
Count: back
By: 5s
_______, _______, _______, _______, _______, _______, _______
Answer:
__45_____, ___40____, ___35____, __30____, ___25____, ___20____, __15____.

Explanation:
Starting at 45. Counting back by 5s.
Missing numbers are : 45 , 40 , 35 , 30 , 25 , 20 , 15

.

Practice
Question 4.
Write number sentences to show the domino sums.
Everyday Mathematics Grade 1 Home Link 3.11 Answers 1
Answer:

Explanation:
Number of dots in left of first domino = 9 or Nine.
Number of dots in right of first domino = 9 or Nine.
Total number of dots in first domino = Number of dots in left of first domino  + Number of dots in right of first domino
= 9 + 9 = 18 or Eighteen.
Number of dots in left of second domino = 7 or Seven.
Number of dots in right of second domino = 3 or Three.
Number of dots in second domino =Number of dots in left of second domino + Number of dots in right of second domino
= 7 + 3
= 10.

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