By accessing our **180 Days of Math for Second Grade Answers Key Day 87 **regularly, students can get better problem-solving skills.

## 180 Days of Math for Second Grade Answers Key Day 87

**Directions: Solve each problem.**

Question 1.

Order the numbers from smallest to largest.

43, 82, 39, 99

Answer:

39, 43, 82, 99

Explanation:

Ascending order means writing the numbers from smallest to biggest.

Question 2.

6 + 1 = ___________

Answer: 7

Explanation:

When we add 1 to the given number,

answer will be its successor.

So, the successor of 6 is 7.

6 + 1 = 7

Question 3.

Answer: 14

Explanation:

By subtracting 6 from 20, we get 14.

Question 4.

6 – = 2

Answer: 4

Explanation:

Let the unknown number be x

6 – x = 2

x = 6 – 2

x = 4

Question 5.

Color the shape with 3 sides.

Answer:

Explanation:

Triangle is a polygon with 3 sides and 3 angles.

Question 6.

What is the volume?

________ cubes

Answer:

5 cubic units

Explanation:

Volume of each cube = 1 cubic unit

So, there are 5 cubes = 5 cubic units.

Question 7.

**Teeth Lost**

How many more teeth were lost in February than in January?

Answer:

2 teeth

Explanation:

Total teeth lost in January = 6

Total teeth lost February = 8

8 – 6 = 2

Question 8.

Write an addition number sentence using the numbers 15, 23, and 38.

Answer:

15 + 23 = 38

23 + 15 = 38

Explanation:

When we add to more addends we get the sum.

In addition when we change the order of addends,

there is no change in sum.