We included HMH Into Math Grade 1 Answer Key PDF Module 9 Review to make students experts in learning maths.

Vocabulary

Write vocabulary words to complete the sentences.

Vocabulary
ones
ten

Question 1.
1 ________ is the same as 10 _________.
! ten is same as 10.

Question 2.
The number 15 has 15 _______.
The number 15 has 5 ones.

Question 3.
The number 15 has 1 _________.
The number 15 has 1 ten.

Concepts and Skills

Question 4.
Luis has 10 books. He gets 7 more books. How many books does Luis have now? Write the number three ways.
________ + _________
________ ten ________ ones
________ books
10 + 7
1 ten 7 ones
17 books

Explanation:
Luis has 10 books
He gets 7 more books
10 + 7 = 17.

Question 5.
Ava sees 8 horses by the barn and 5 horses by the fence. How many horses does she see? Draw a quick picture to show the number.
_________ horses

Explanation:
I drew a quick picture to solve the problem
Ava sees 8 horses by the barn and
5 horses by the fence
8 + 5 = 13
So, Ava sees 13 horses in all.

Fill in the bubble next to the correct answer.

Question 6.
Which quick picture shows 14?

Explanation:
I marked the bubble of the quick picture that shows the number 14
It has 1 tens and 4 ones.

Question 7.
Which is the same as 10 + 8?
(A) 9
(B) 13
(C) 18
(C) 18

Explanation:
10 + 8
1 ten 8 ones = 18.

Question 8.
Which is the same as 10 + 2?
(A) 1 ten 0 ones
(B) 1 ten 2 ones
(C) 1 ten 5 ones
(B) 1 ten 2 ones

Explanation:
10 + 2 = 12
12 = 1 ten 2 ones.

Question 9.
Sean has 7 bags of marbles. There are 10 marbles in each bag. How many marbles does Sean have?
(A) 10
(B) 17
(C) 70
(C) 70

Explanation:
Sean has 7 bags of marbles
There are 10 marbles in each bag
To find the total number of marbles
Multiply 7 and 10
7 x 10 = 70
So, Sean has 70 marbles.

Write the number shown by the quick picture.

Question 10.