# 180 Days of Math for Fourth Grade Day 30 Answers Key

By accessing our 180 Days of Math for Fourth Grade Answers Key Day 30 regularly, students can get better problem-solving skills.

## 180 Days of Math for Fourth Grade Answers Key Day 30

Solve each problem.

Question 1.

Explanation:
Perform subtraction operation on above two given numbers. Subtract 9 from 30 the difference is 21.

Question 2.
5 × 7 = ___
5 × 7 = 35
Explanation:
Perform multiplication operation on above two given numbers. Multiply 5 with 7 the product is 35.

Question 3.
Divide 16 into 4 equal groups.
______________
16 ÷ 4 = 4
Explanation:
The given statement is divide 16 into 4 equal groups. Perform division operation. Divide 16 by 4 the quotient is 4.

Question 4.
28 ÷ 7 = ______
28 ÷ 7 = 4
Explanation:
Perform division operation on above two given numbers. Divide 28 by 7 the quotient is 4.

Question 5.
Is 63 closer to 60 or 70?
______________
The numbers from 60 to 70 are 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70.
The number 63 is closer to 60 than 70.

Question 6.
× 6 = 36
× 6 = 36
Explanation:
To get the product 36. We need to perform multiplication operation. Multiply 6 with 6 the product is 36. The missing multiplicand is 6.

Question 7.
The area of the flower bed is 12 m2 and the area of the grass is 24 m2. What is their combined area?
_____________________
Given,
The area of the flower bed is 12 m2.
The area of the grass is 24 m2.
The combined area is obtained by adding area of flower bed with area of grass.
12 m2 + 24 m2 = 36 m2
The combined area is 36 m2.

Question 8.
Is 12:00 P.M. a reasonable bedtime?
_____________________
No, 12:00 P.M. is not a reasonable bed time. The time 12:00 P.M. is afternoon time.

Question 9.
Which sport does Troy play in the 3rd trimester?
Troy play in the 3rd trimester is baseball.

Question 10.
$$\frac{1}{10}$$ of 60 = 6, so $$\frac{7}{10}$$ of 60 = ____
$$\frac{1}{10}$$ of 60 = 6
We have to find $$\frac{7}{10}$$ of 60.
= $$\frac{7}{10}$$ x 60
So, $$\frac{7}{10}$$ of 60 is 42.