McGraw Hill My Math Grade 1 Chapter 4 Check My Progress Answer Key

All the solutions provided in McGraw Hill My Math Grade 1 Answer Key PDF Chapter 4 Check My Progress will give you a clear idea of the concepts.

McGraw-Hill My Math Grade 1 Chapter 4 Check My Progress Answer Key

Check My Progress Page No. 305-306

Vocabulary Check

Circle the correct answer.

count back count on

Question 1.
Start at a number and ____ to subtract.
Answer:
Start at a number and count back to subtract.

Concept Check

Count back to subtract.

Question 2.
9 – 1 = ____
Answer:
9 – 1 = 8

Explanation:
Start at 9
Count back 1
8
So, 9 – 1 = 8.

Question 3.
11 – 3 = ____
Answer:
11 – 3 = 8

Explanation:
Start at 11
Count back 3
10, 9, 8
So, 11 – 3 = 8.

Question 4.
5 – 2 = ____
Answer:
5 – 2 = 3

Explanation:
Start at 5
Count back 2
4, 3
So, 5 – 2 = 3.

Question 5.
7 – 3 = ___
Answer:
7 – 3 = 4

Explanation:
Start at 7
Count back 3
6, 5, 4
So, 7 – 3 = 4.

Question 6.
10 – 1 = ____
Answer:
10 – 1 = 9

Explanation:
Start at 10
Count back 1
9
So, 10 – 1 = 9.

Question 7.
8 – 3 = ___
Answer:
8 – 3 = 5

Explanation:
Start at 8
Count back 3
7, 6, 5
So, 8 – 3 = 5.

Question 8.
McGraw Hill My Math Grade 1 Chapter 4 Check My Progress Answer Key 1
Answer:
McGraw Hill My Math Grade 1 Chapter 4 Check My Progress 1

Explanation:
Start at 12
Count back 2
11, 10
So, 12 – 2 = 10.

Question 9.
McGraw Hill My Math Grade 1 Chapter 4 Check My Progress Answer Key 2
Answer:
McGraw Hill My Math Grade 1 Chapter 4 Check My Progress 2

Explanation:
Start at 6
Count back 2
5, 4
So, 6 – 2 = 4.

Question 10.
McGraw Hill My Math Grade 1 Chapter 4 Check My Progress Answer Key 3
Answer:
McGraw Hill My Math Grade 1 Chapter 4 Check My Progress 3

Explanation:
Start at 11
Count back 2
10, 9
So, 11 – 2 = 9.

Use the number line to subtract. Write the difference.

McGraw Hill My Math Grade 1 Chapter 4 Check My Progress Answer Key 4

Question 11.
McGraw Hill My Math Grade 1 Chapter 4 Check My Progress Answer Key 5
Answer:
McGraw Hill My Math Grade 1 Chapter 4 Check My Progress 4
McGraw Hill My Math Grade 1 Chapter 4 Lesson 2 Answer Key 1

Explanation:
I used number line to solve the problem
Start at 10
Count back 3 by jumping backward
So, 10 – 3 = 7.

Question 12.
McGraw Hill My Math Grade 1 Chapter 4 Check My Progress Answer Key 6
Answer:
McGraw Hill My Math Grade 1 Chapter 4 Check My Progress 5
McGraw Hill My Math Grade 1 Chapter 4 Lesson 2 Answer Key 2

Explanation:
I used number line to solve the problem
Start at 8
Count back 2 by jumping backward
So, 8 – 2 = 6.

Question 13.
McGraw Hill My Math Grade 1 Chapter 4 Check My Progress Answer Key 7
Answer:
McGraw Hill My Math Grade 1 Chapter 4 Check My Progress 6
McGraw Hill My Math Grade 1 Chapter 4 Lesson 2 Answer Key 4

Explanation:
I used number line to solve the problem
Start at 12
Count back 3 by jumping backward
So, 12 – 3 = 9.

Add the doubles facts. Then subtract.

Question 14.
McGraw Hill My Math Grade 1 Chapter 4 Check My Progress Answer Key 8
Answer:
McGraw Hill My Math Grade 1 Chapter 4 Check My Progress 7

Explanation:
4 + 4 = 8 is a doubles fact
Use doubles fact to subtract
So, 8 – 4 = 4.

Question 15.
McGraw Hill My Math Grade 1 Chapter 4 Check My Progress Answer Key 9
Answer:
McGraw Hill My Math Grade 1 Chapter 4 Check My Progress 8

Explanation:
9 + 9 = 18 is a doubles fact
Use doubles fact to subtract
So, 18 – 9 = 9.

Write a subtraction number sentence to solve.

Question 16.
There are 10 bikes parked at the beach. 2 children leave with their bikes. How many bikes are still at the beach?
____ – ____ = ____ bikes
Answer:
10 – 2 = 8

Explanation:
There are 10 bikes parked at the beach
2 children leave with their bikes
10 – 2 =
Start at 10 Count back 2
9, 8
So, 10 – 2 = 8 is the subtraction number sentence that solves the problem
Therefore, 8 bikes are still at the beach.

Test Practice

Question 17.
There are 14 whales swimming together. 7 of them swim away. How many whales are still swimming together?
(A) 6 whales
(B) 7 whales
(C) 9 whales
(D) 21 whales
Answer:
(B) 7 whales

Explanation:
There are 14 whales swimming together
7 of them swim away
14 – 7 =
We know the doubles fact
7 + 7 = 14
So, 14 – 7 = 7
Therefore, 7 whales are still swimming together.

Leave a Comment

Scroll to Top
Scroll to Top