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?

Answer:

63

Explanation:

Arrange the numbersÂ from greatest to the least number.

Question 2.

7 + 1 + 8 =

Answer:

16

Explanation:

When we add two or more addends, we get sum.

Question 3.

Answer: 9

Explanation:

Subtract 7 from 16, we get difference 9.

Question 4.

4 + = 10 + 0

Answer: 6

Explanation:

4 + x = 10 + 10

x = 20 + 4

x = 24

Question 5.

Count the angles.

Answer:

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

Answer:

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.

Answer:

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?

Answer:

52

Explanation:

10 less than 62

= 62 – 10 = 52