180 Days of Math for Fourth Grade Day 160 Answers Key

By accessing our 180 Days of Math for Fourth Grade Answers Key Day 160 regularly, students can get better problem-solving skills.

180 Days of Math for Fourth Grade Answers Key Day 160

Directions: Solve each problem.

Question 1.
47 – 8 = ____________
Answer:
47
-8
38
Thus the difference between 47 and 8 is 38.

Question 2.
50% of 60 = ___________
Answer:
50% of 60
50/100 × 60
5 × 6 = 30
So, 50% of 60 is 30.

Question 3.
Calculate the quotient of 525 and 7.
Answer:

So, the quotient is 75 and the remainder is 0.

Question 4.
57 ÷ 5 = ___________
Answer:

So, the quotient is 2 and the remainder is 2.

Question 5.
What is the number after 4,989?
Answer: The number after 4,989 is 4990.

Question 6.
81 ÷ 9 = 9 ×
Answer:
Let the unknown value be x.
81 ÷ 9 = 9 × x
9 = 9 × x
9/9 = x
x = 1

Question 7.
The floor has an area of 16 m². It is covered with a mat of 9 m². What area is uncovered?
Answer:
Given,
The floor has an area of 16 m².
It is covered with a mat of 9 m².
16 m² – 9 m².
= 7 sq. meters
Thus the area is uncovered is 7 sq. meters

Question 8.
1 __________ = 60 minutes
Answer:
1 hour = 60 minutes

Question 9.
What type of prism is shown?

Answer:
The name of the above shape is Rectangular prism.

Question 10.
If the shaded area is one, what is the area of the crossed region?

Answer:
The area of each region is a square unit.
The area of the crossed region is 1 + 1 = 2 square units.