By accessing our **180 Days of Math for Third Grade Answers Key Day 90 **regularly, students can get better problem-solving skills.

## 180 Days of Math for Third Grade Answers Key Day 90

**Directions: Solve each problem.**

Question 1.

What is the difference between 50 and 29?

Answer:

Explanation:

9 is greater than 0 so you must regroup:

Take 1 from 5, so 5 becomes 4.

Add 10 to 0, so 0 becomes 10.

Question 2.

Ten times ten is ___________.

Answer:

100

Explanation:

Ten times ten is 100

10 x 10 = 100

Question 3.

Answer:

Explanation:

Question 4.

What number follows 479?

Answer:

480

Explanation:

479 + 1 = 480

For every number we have to add 1

Question 5.

Is there enough money to buy something that costs 62¢?

Circe:

yes

no

Answer: yes

Explanation:

1 quarter = 25¢

1 dime = 10¢

1 penny = 1¢

2 x 25 = 50

2 x 10 = 20

50 + 20 + 1 = 71

Question 6.

100 50 = 50

Answer:

100 – 50 = 50

Explanation:

The difference between 100 and 50 is 50

The half of hundred is 50.

Question 7.

What is the date of New Year’s Eve?

Answer:

December 31

Explanation:

According to the Gregorian calendar, New Year’s Eve is celebrated on December 31.

Question 8.

A basketball game lasted 2 hours. It started at 4:30 P.M. What time did it end?

Answer:

Ended at 6 : 30 P.M.

Explanation:

The formula for calculating elapsed time is elapsed time = end time – start time. Subtract the minutes and hours separately.

we have to add 2 hours for 4 : 30

4 : 30 + 2 = 6 : 30

Question 9.

Does the arrow point to a face, vertex, or edge?

Answer:

Face

Explanation:

a polygon with six sides. The two-dimensional shape has 6 sides, 6 vertices and 6 angles.

Question 10.

If you multiply me by 6, you get 36. What number am I?

Answer:

6

Explanation:

6 x 6 = 36

The product of 6 and 6 is 36