McGraw Hill My Math Grade 1 Chapter 3 Check My Progress Answer Key

All the solutions provided in McGraw Hill My Math Grade 1 Answer Key PDF Chapter 3 Check My Progress will give you a clear idea of the concepts.

McGraw-Hill My Math Grade 1 Chapter 3 Check My Progress Answer Key

Check My Progress Page No. 241-242

Vocabulary Check

Draw lines to match.

$McGraw Hill My Math Grade 1 Chapter 3 Check My Progress Answer Key 1$

Answer:
$McGraw Hill My Math Grade 1 Chapter 3 Check My Progress Answer Key 1$

Explanation:
I drew lines to match the vocabulary on the left to their meanings in the right.

Concept Check

Start with the greater number. Count on to add.

Question 7.
$McGraw Hill My Math Grade 1 Chapter 3 Check My Progress Answer Key 2$
Answer:
$McGraw Hill My Math Grade 1 Chapter 3 Check My Progress Answer Key 2$

Explanation:
Start at 6, count 3 more
7, 8, 9
So, 6 + 3 = 9.

Question 8.
$McGraw Hill My Math Grade 1 Chapter 3 Check My Progress Answer Key 3$
Answer:
$McGraw Hill My Math Grade 1 Chapter 3 Check My Progress Answer Key 3$

Explanation:
Start at 7 and count 1 more
8
So, 1 + 7 = 8.

Question 9.
$McGraw Hill My Math Grade 1 Chapter 3 Check My Progress Answer Key 4$
Answer:
$McGraw Hill My Math Grade 1 Chapter 3 Check My Progress Answer Key 4$

Explanation:
Start at 3 and count 2 more
4, 5
2 + 3 = 5.

Use the number line to add. Write the sum.

$McGraw Hill My Math Grade 1 Chapter 3 Check My Progress Answer Key 5$

Question 10.
$McGraw Hill My Math Grade 1 Chapter 3 Check My Progress Answer Key 6$
Answer:
$McGraw Hill My Math Grade 1 Chapter 3 Check My Progress Answer Key 5$

Explanation:
I used number line to add
Start at 8 and count 3 more
9, 10, 11
So, 3 + 8 = 11.

Question 11.
$McGraw Hill My Math Grade 1 Chapter 3 Check My Progress Answer Key 7$
Answer:
$McGraw Hill My Math Grade 1 Chapter 3 Check My Progress Answer Key 6$

Explanation:
I used number line to add
Start at 4 and count 2 more
5, 6
So, 4 + 2 = 6.

Question 12.
$McGraw Hill My Math Grade 1 Chapter 3 Check My Progress Answer Key 8$
Answer:
$McGraw Hill My Math Grade 1 Chapter 3 Check My Progress Answer Key 7$

Explanation:
I used number line to add
Start at 7 and count 3 more
8, 9, 10
So, 7 + 3 = 10.

Add. Circle the doubles facts.

Question 13.
4 + 4 = ____
Answer:
$McGraw Hill My Math Grade 1 Chapter 3 Check My Progress Answer Key 9$

Explanation:
4 + 4 = 8 is a doubles fact so, i drew a circle around the number sentence.

Question 14.
4 + 5 = ____
Answer:
4 + 5 = 9

Explanation:
4 + 5 = 9 is not a doubles fact.

Question 15.
9 + 8 = ____
Answer:
9 + 8 = 17

Explanation:
9 + 8 = 17 is not a doubles fact.

Question 16.
8 + 8 = ____
Answer:
$McGraw Hill My Math Grade 1 Chapter 3 Check My Progress Answer Key 10$

Explanation:
8 +8 = 16 is a doubles fact so, i drew a circle around the number sentence.

Question 17.
Craig counted 7 doors. He counted 2 more doors. How many doors did Craig count in all?
____ doors
Answer:
$McGraw Hill My Math Grade 1 Chapter 3 Check My Progress Answer Key 8$

Explanation:
Craig counted 7 doors
He counted 2 more doors
Start counting at 7 and count 2 more
8, 9
So, 7 + 2 = 9
Therefore, Craig counted 9 doors in all.

Test Practice

Question 18.
Which doubles fact helps you find this sum?
9 + 8 = ____
(A) 10 + 10
(B) 7 + 7
(C) 5 + 5
(D) 9 + 9
Answer:
(D) 9 + 9

Explanation:
9 + 9 doubles fact can be used to find the sum of 9 + 8
Use doubles minus 1
9 + 9 = 18
9 + 8 = 18 – 1 = 17
So, 9 + 8 = 17.

McGraw-Hill My Math Grade 1 Chapter 3 Check My Progress Answer Key

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