By accessing our **180 Days of Math for Fourth Grade Answers Key Day 72 **regularly, students can get better problem-solving skills.

## 180 Days of Math for Fourth Grade Answers Key Day 72

**Directions Solve each problem.**

Question 1.

34 – 19 = ___

Answer:

Explanation:

Working each column from right to left

9 is greater than 4 so you must regroup:

Take 1 from 3, so 3 becomes 2.

Add 10 to 4, so 4 becomes 14.

Question 2.

Write 0.3 as a fraction.

______________

Answer:

\(\frac{3}{10}\)

0.3 as a fraction equals \(\frac{3}{10}\)

Explanation:

0.3 as a fraction can be written as \(\frac{3}{10}\)

Question 3.

Divide 64 into eight groups.

______________

Answer:

Explanation:

If 64 is divided into 8 groups each group will get 8

8 x 8 = 64

Question 4.

Answer:

Explanation:

We have the equation:

24 ÷ 3 = 8

Calculated to 0 decimal places.

The quotient is 8 and the remainder is 0.

Question 5.

Order the numbers from largest to smallest.

2,097; 2,079; 2,907

___ ____ ____

Answer:

2,079; 2,097; 2,907

Explanation:

2,079; < 2,097; < 2,907

Question 6.

4 × = 28

Answer:

4 x 7 = 28

Explanation:

28 **÷ **4 **= **7

Division and subtraction are inversely proportional.

Question 7.

Calculate the area of a square with 6-cm sides.

________________

Answer:

A = 4 x s

A = 4 x 6

A = 24

Explanation:

Formula for calculating the area of a square = 4 x s

A = 4 x s

s represents the side of a square.

Question 8.

3 yards = _______ feet

Answer:

3 yards = 9 feet

Explanation:

1 yard = 3 feet

3 yards = 3 x 3 = 9 feet

Question 9.

Name the angle found at the corner of this page.

______________

Answer:

Right angle.

Explanation:

My page is alike a rectangle

and at the corner the angle is 90° that is right angle.

Question 10.

Follow the pattern in the first circle to complete the second circle.

Answer:

Explanation:

In first circle the values are multiples of 4

and in the second circle they are multiples of 7

4 x 1 = 4

4 x 2 = 8

4 x 3 = 12

7 x 1 = 7

7 x 2 = 14

7 x 3 = 21