# 180 Days of Math for First Grade Day 172 Answers Key

By accessing our 180 Days of Math for First Grade Answers Key Day 172 regularly, students can get better problem-solving skills.

## 180 Days of Math for First Grade Answers Key Day 172

Directions: Solve each problem.

Question 1.
What is the largest number that can be made with the numerals 6 and 3?
63
Explanation:
Arrange the numbersÂ  from greatest to the least number.

Question 2.
7 + 1 + 8 =
16
Explanation:
When we add two or more addends, we get sum.

Question 3.

Explanation:
Subtract 7 from 16, we get difference 9.

Question 4.
4 + = 10 + 0
Explanation:
4 + x = 10 + 10
x = 20 + 4
x = 24

Question 5.
Count the angles.

8 angles
Explanation:
Octagon has 8 angles, 8 sides.

Question 6.
You have 3 books that are the same size. If 1 book is 5 inches long, how long are 3 books?
________ inches
15 inches
Explanation:
3 books that are of same size.
If 1 book is 5 inches long,
Total length of 3 books = 3 x 5 = 15

Question 7.
Make 10 tally marks.

Explanation:
Each set in tally marks has 5 numbers.
So, there are 2 sets in 10.

Question 8.
I am 10 less than 62. What number am I?