# 180 Days of Math for Fourth Grade Day 140 Answers Key

By accessing our 180 Days of Math for Fourth Grade Answers Key Day 140 regularly, students can get better problem-solving skills.

## 180 Days of Math for Fourth Grade Answers Key Day 140

Directions: Solve each problem.

Question 1.
28 – 16 = __________ The difference between 28 and 16 is 12.

Question 2.
List the first 3 multiples of 7.
______ ______ _______
Answer: The first 3 multiples of 7 are 7, 14, 21.

Question 3.
43 ÷ 7 = ___________ The quotient is 6 and the remainder is 1.

Question 4.  The quotient is 4 and the remainder is 3.

Question 5.
Is 421 even or odd?
Answer: 421 is an odd number because it is not divisible by 2.

Question 6.
7 × 6 = 42, so
42 ÷ = 6
7 × 6 = 42
Let the unknown number be x.
42 ÷ x = 6
42/6 = x
x = 7
Thus the missing number is 7.
42 ÷ 7 = 6

Question 7.
Is the area of a computer screen measured in cm2 or m2?
Answer: Usually the area of a computer screen measured in cm2

Question 8.
_______ seconds = 14 minutes

Explanation:
We know that,
1 minute = 60 seconds
14 minutes = x
x = 14 × 60
x = 840
Thus 14 minutes = 840 seconds

Question 9.
Draw the top view.    