## Engage NY Eureka Math 1st Grade Module 6 Mid Module Assessment Answer Key

Question 1.
Use the RDW process to solve the following problems. Write your statement on the line.
a. Lucy has 5 pencils. Kim has 7 pencils. How many more pencils does Kim have than Lucy?
__________________________ Explanation:
Kim have 2 pencils more than lucy.

b. Ben has 18 pencils. Anton has 9 pencils. How many fewer pencils does Anton have than Ben?
__________________________ Explanation:
Anton have 9 pencils fewer than Ben.

c. Julio has 5 more pencils than Fran. Fran has 6 pencils. How many pencils does Julio have?
__________________________ Explanation:
Julio have 11 pencils.

Question 2.
Fill in the missing numbers in the sequence.
a. 97, 98, ____, ____, ____, _____
97, 98, 99, 100, 101, 102.

b. 116, 117, ____, ____, ____
116, 117, 118, 119, 120.

c. ____, 14, ____, ____, 11, ____
15, 14, 13, 12, 11, 10.

d. 112, 111, ____, 109, ____, ____
112, 111, 110, 109, 108, 107.

Question 3.
Write the number as tens and ones in the place value chart, or use the place value chart to write the number.
a. 82  Explanation:
The number is 8 tens 2 ones.

b. 99  Explanation:
The number is 9 tens 9 ones.

c. _______  Explanation:
The number is 9 tens 6 ones.

d. ______  Explanation:
The number is 10 tens 5 ones.

Question 4.
Match the equal amounts.  Explanation:
I matched the numbers onthe left with their equal amounts on the right.

Question 5.
Use <, =, or > to compare the pairs of numbers.
a. 69 79
69 79

b. 15 50
15 50

c. 99 101
99 101

d. 110 108
110 108

e. 61 5 tens 11 ones
61   5 tens 11 ones

Question 6.
Ben thinks 92 ones is greater than 9 tens 2 ones. Is he correct? Explain your thinking using words, pictures, or numbers. Draw and write about tens and ones to explain your thinking.
No, Ben is not correct.

Explanation:
92 ones is the same as 9 tens 2 ones.
90 ones is 9 tens.So, 90+2 is the same as 9 tens 2 ones.
10+10+10+10+10+10+10+10+10=90
92=92
Therefore 92 ones is same as 9 tens 2 ones.

Question 7.
Find the mystery numbers. Explain how you know the answers.
a. 10 more than 90 is ______.  Explanation:
10 more than 90 is 100.

b. 10 less than 90 is _______.  Explanation:
10 less than 90 is 80.

c. 1 more than 90 is _______.  Explanation:
1 more than 90 is 91.

d. 1 less than 90 is ________.  Explanation:
1 less than 90 is 89.

Question 8.
Solve for each unknown number. Use the space provided to show your work.
a. 80 + 6 = _____ Explanation:
The sum of 80 and 6 is 86.

b. 20 + _____ = 80 Explanation:
The sum of 20 and 60 is 80.

c. 7 tens – _______________ = 4 tens Explanation:
If we subtract 3 tens from 7 tens we get 4 tens
7 tens – 3 tens = 4 tens.

d. 90 – 40 = _____ Explanation:
If we subtract 4 tens from 9 tens we get 5 tens.

e. 68 + 7 = _____ Explanation:
The sum of 68 and 7 is 75.

f. 51 + 20 = _____ Explanation:
The sum of 51 and 20 is 71.

g. 46 + 31 = _____  