By accessing our **180 Days of Math for Third Grade Answers Key Day 84 **regularly, students can get better problem-solving skills.

## 180 Days of Math for Third Grade Answers Key Day 84

**Directions Solve each problem.**

Question 1.

12 + 7 = ___

Answer:

19

Explanation:

The sum of 12 and 7 is 19

12 + 7 = 19

Question 2.

Nineteen times zero is

________

Answer:

0

Explanation:

Multiplying a number by 0 makes the product equal to zero.

19 x 0 = 0

Question 3.

Answer:

Explanation:

The product of 12 and 4 is 48

12 x 4 = 48

Question 4.

180 ÷ 30 = ___

Answer:

Explanation:

180 ÷ 30 = 6

quotient is 6 remainder is 0

Question 5.

$0.79 – $0.50 = ___

Answer:

Explanation:

$0.79 – $0.50 = $0.29

9 – 0 = 9

7 – 5 = 2

Question 6.

20¢ × = $1.20

Answer:

20¢ × 6 = $1.20

Explanation:

A dollar has 100¢

20 x 6 = 120

that is 1 dollar and 20 cents

Question 7.

What tool would you use to measure time: a calendar or a thermometer?

__________________

Answer:

a clock or watch

Explanation:

We use a clock or watch to do this. A stopwatch can be used to measure how long it takes to do something.

Question 8.

How many months are there in one year?

__________________

Answer:

12

Explanation:

1 year has 12 months

12 months: January, February, March, April, May, June, July, August, September, October, November, and December.

Question 9.

Label the vertex on the angle.

Answer:

Explanation:

The vertex of an angle is the common endpoint of two rays that form the angle.

Question 10.

Write four different number sentences that can be made using the numbers 4, 5, and 20.

______________________

______________________

______________________

______________________

Answer:

20 ÷ 4 = 5

20 ÷ 5 = 4

4 x 5 = 20

5 x 4 = 20

Explanation:

These are 4 sentences that can be written by using these sentences.