# 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 = ___
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

Scroll to Top