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Bridges in Mathematics Grade 1 Home Connections Answer Key Unit 6 Module 2
Bridges in Mathematics Grade 1 Home Connections Unit 6 Module 2 Session 2 Answer Key
Double-Dot Cards for Eleven & Twelve
Question 1.
Draw the dots on the right side of each card to make 11. Then write a fact family to match.
ex:
6 + 5 = 11
5 + 6 = 11
11 – 6 = 5
11 – 5 = 6
a.
Answer:
Draw four dots for the right side of given card in order to become the sum value of 7 and 4 as 11.Then the facts are written as shown below.
7 + 4 = 11
4 + 7 = 11
11- 4 = 7
11 – 7 = 4
b.
Answer:
Draw Nine dots for the right side of given card in order to become the sum value of 2 and 9 as 11.Then the facts are written as shown below.
2 + 9 = 11
9 + 2 = 11
11 – 9 = 2
11- 9 = 2
c.
Answer:
Draw three dots for the right side of given card in order to become the sum value of 8 and 3 as 11.Then the facts are written as shown below.
8 + 3 = 11
3 + 8 = 11
11 – 8 = 3
11 – 3 = 8
d.
Answer:
Draw a single dot for the right side of given card in order to become the sum value of 10 and 1 as 11.Then the facts are written as shown below.
10 + 1 = 11
1 + 10 = 11
11 – 1 = 10
11 – 10 = 1
Question 2.
Fill in the missing numbers.
9 + ___________ = 11
___________ + 1 = 11
5 + 6 = ___________
11 + ___________ = 11
11 – ___________ = 6
___________ – 1 = 10
11 – 4 = ___________
11 – ___________ = 8
Answer:
1. subtract 9 from 11 and get the result as 2.Then , place the 2 in the given missing blank.
2. subtract 1 from 11 and get the result as 10.Then , place the 10 in the given missing blank.
3. Add both the numbers 5 and 6 and get the result as 11.Then , place the 11 in the given missing blank.
4. subtract 11 from 11 and get the result as 0.Then , place the 0 in the given missing blank.
5. Add both the numbers 10 and 1 and get the result as 11.Then , place the 11 in the given missing blank.
6. subtract 4 from 11 and get the result as 7.Then , place the 7 in the given missing blank.
7. subtract 8 from 11 and get the result as 3.Then , place the 3 in the given missing blank.
9 + 2 = 11
10 + 1 = 11
5 + 6 = 11
11 + 0 = 11
11 – 5 = 6
11 – 1 = 10
11 – 4 = 7
11 – 3 = 8
Question 3.
Draw the dots on the right side of each card to make 12. Then write a fact family to match.
ex:
7 + 5 = 12
5 + 7 = 12
12 – 7 = 5
12 – 5 = 7
a.
Answer:
Draw four dots for the given card in order to become the sum value of 8 and 4 as 12.Then the facts are written as shown below.
8 + 4 = 12
4 + 8 = 12
12 – 4 = 8
12 – 8 = 4
b.
Answer:
Draw six dots for the given card in order to become the sum value of 6 and 6 as 12.Then the facts are written as shown below.
6 + 6 = 12
12 – 6 = 6
c.
Answer:
Draw nine dots for the given card in order to become the sum value of 9 and 3 as 12.Then the facts are written as shown below.
9 +Â 3= 12
3 + 9 = 12
12 – 9 = 3
12 – 3 = 9
d.
Answer:
Draw two dots for the given card in order to become the sum value of 10 and 2 as 12.Then the facts are written as shown below.
10 + 2 = 12
2 + 10 = 12
12 – 2 = 10
12 – 10 = 2
Question 4.
Fill in the missing numbers.
9 + ____________ = 12
____________ + 7 = 12
6 + 6 = ____________
12 + ____________ = 12
12 – ____________ = 0
____________ – 2 = 10
12 – 8 = ____________
12 – ____________ = 5
Answer:
1. subtract 9 from 12 and get the result as 3.Then , place the 3 in the given missing blank.
2. subtract 7 from 12 and get the result as 5.Then , place the 5 in the given missing blank.
3. Add both the numbers 6 and 6 and get the result as 12.Then , place the 12 in the given missing blank.
4. subtract 12 from 12 and get the result as 0.Then , place the 0 in the given missing blank.
5.subtract 0 from 12 and get the result as 12.Then , place the 12 in the given missing blank.
6. Add both the numbers 10 and 2 and get the result as 12.Then , place the 12 in the given missing blank.
7. subtract 8 from 12 and get the result as 4.Then , place the 4 in the given missing blank.
8. Add both the numbers 12 and 5 and get the result as 12.Then , place the 17 in the given missing blank.
9 + 3 = 12
5 + 7 = 12
6 + 6 = 12
12 + 0 = 12
12 – 12 = 0
12 – 2 = 10
12 – 8 = 4
12 – 17 = 5
Bridges in Mathematics Grade 1 Home Connections Unit 6 Module 2 Session 5 Answer Key
Combinations & Story Problems
Question 1.
For each problem below:
- Circle the two numbers that make a total that is as close to 10 as possible. (If you don’t find two that make 10 exactly, choose the two that come the closest, under or over.)
- Write an equation to match.
ex:
a. 3Â Â Â 4Â Â Â Â 7
_________ + ___________ = ____________
Answer:
Round the numbers 3 and 7 which gives the value 10 among the given three numbers as shown below.
b. 8Â Â Â 2Â Â Â Â 6
_________ + ___________ = ____________
Answer:
Round the numbers 8 and 2 which gives the value 10 among the given three numbers as shown below.
c. 9Â Â Â Â 5Â Â Â Â 1
_________ + ___________ = ____________
Answer:
Round the numbers 9 and 1 which gives the value 10 among the given three numbers as shown below.
d. 7Â Â Â Â 4Â Â Â Â Â 8
_________ + ___________ = ____________
Answer:
Round the numbers 9 and 1 which gives the value 11 which is nearest to 10 among the given three numbers as shown below.
Question 2.
For each problem below:
- Circle the two numbers that make a total that is as close to 20 as possible. (If you don’t find two that make 20 exactly, choose the two that come the closest, under or over.)
- Write an equation to match.
ex:
a. 17Â Â Â Â 3Â Â Â Â 12
_________ + ___________ = ____________
Answer:
Round the numbers 17 and 3 which gives the value 20 among the given three numbers as shown below.
b. 7Â Â Â Â Â 5Â Â Â Â Â 15
_________ + ___________ = ____________
Answer:
Round the numbers 5 and 15 which gives the value 20 among the given three numbers as shown below.
c. 18Â Â Â Â 2Â Â Â Â Â 4
_________ + ___________ = ____________
Answer:
Round the numbers 18 and 2 which gives the value 20 among the given three numbers as shown below.
d. 10Â Â Â Â 12Â Â Â Â 8
_________ + ___________ = ____________
Answer:
Round the numbers 12 and 8 which gives the value 20 among the given three numbers as shown below.
Question 3.
Rosa had 14 shells. She gave 3 of the shells to her sister and 4 of the shells to her brother. How many shells did Rosa have left? Show your work.
Rosa had ____________ shells left.
Answer:
Total number of shells that Rosha contain = 14
Number of shells given for her sister = 3
Number of shells given for her brother = 4
Therefore number of shells given to both sister and brother = 3 + 4 = 7
Then number of shells left with Rosa = ?
= 14 – 7
= 7
Question 4.
Jared has 5 coins in his pocket. They are worth 18¢ in all. What coins does Jared have? Show your work.
Here are the 5 coins Jared has in his pocket:
Answer:
Number of coins in Jared pocket = 5
Total coins worth = 18 ¢
Let it be the following coins as shown below.
Number of 10 cents coins = 10
Number of 5 cents coins = 5
Number of 1 cent coins = 3
Therefore total number of coins = 10 + 5 + 3
= 18.