# 180 Days of Math for First Grade Day 157 Answers Key

By accessing our 180 Days of Math for First Grade Answers Key Day 157 regularly, students can get better problem-solving skills.

## 180 Days of Math for First Grade Answers Key Day 157

Directions: Solve each problem.

Question 1.
99 has _________ tens and ________ ones.
99 has 9 tens and 9 ones.
Explanation:
9 tens and 9 ones make 99
90 + 9 = 99

Question 2.

Explanation:
6 + 1 = 7
7 + 1 = 8
The sum of 6, 1 and 1 is 8

Question 3.
17 – 9 =
17 – 9 = 8
Explanation:
The difference of 17 and 9 is 8

Question 4.
Complete the pattern.
52 50 48 _______ 44
52 50 48 46 44
Explanation:
The above given pattern is less by 2
52 – 2 = 50
48 – 2 = 46

Question 5.
How many curved surfaces does the object have?

No, curved surfaces
Explanation:
A rectangular prism doesn’t have curved surfaces.

Question 6.
Circle the months that have 31 days.
June
July
August

Explanation:
The months July and August has 31 days each.

Question 7.
Number of Students

 Mrs. Garcia 23 Mr. Ream 21 Mrs. Stein 24 Mr. Miller 22

How many more students are in Mrs. Garciaâ€™s class than in Mr. Millerâ€™s class?

Explanation:
Mrs. Garciaâ€™s class has 23
and Mr. Millerâ€™s class has 22
23 – 22 = 1
There 1 more student in Mrs. Garciaâ€™s class

Question 8.
Write one addition number sentence and one subtraction number sentence with the numbers 1, 6, and 7.
1 + 6 = 7
7 – 6 = 1
Explanation:
an equation that shows a number being subtracted from another number with a final answer.
an equation that shows a number being added for another number with a final answer.

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