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

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 = ___ 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.
______________
$$\frac{3}{10}$$
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.
______________ Explanation:
If 64 is divided into 8 groups each group will get 8
8 x 8 = 64

Question 4.  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
___ ____ ____
2,079; 2,097; 2,907
Explanation:
2,079; < 2,097; < 2,907

Question 6.
4 × = 28
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.
________________ 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
3 yards = 9 feet
Explanation:
1 yard = 3 feet
3 yards = 3 x 3 = 9 feet

Question 9.
______________
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.  