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

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

**Directions: Solve each problem.**

Question 1.

Write the numeral for the ordinal number eighty-second.

Answer:

The numeral for the ordinal number eighty-second = 80 + 2 = 82.

Explanation:

The numeral for the ordinal number eighty-second = 80 + 2 = 82.

Question 2.

Answer:

Explanation:

Sum of 6 and 9:

6 + 9 = 15.

Question 3.

11 – 2 =

Answer:

11 – 2 = 9.

Explanation:

Difference between 11 and 2:

11 – 2 = 9.

Question 4.

Answer:

Explanation:

?? + 5 = 7

=> ?? = 7 – 5

=>?? = 2.

Question 5.

How many flat surfaces does the solid have?

Answer:

zero flat surfaces the solid have.

Explanation:

Circle shape does not have any flat surfaces.

Question 6.

Record the line length.

__________ paper clips

Answer:

6 paper clips.

Explanation:

Length of the line = 5 cm.

Question 7.

**Favorite Subject**

Which subject was chosen by the fewest children?

Answer:

Reading subject was chosen by the fewest children.

Explanation:

Math – Favorite Subject -6.

Reading – Favorite Subject – 4.

Science – Favorite Subject – 7.

Question 8.

Write a subtraction number sentence using the numbers 4, 5, and 9.

Answer:

9 – 5 = 4.

OR

9 – 4 = 5.

Explanation:

Subtraction number sentence using the numbers 4, 5, and 9:

9 – 5 = 4.

OR

9 – 4 = 5.