# 180 Days of Math for Fourth Grade Day 108 Answers Key

By accessing our 180 Days of Math for Fourth Grade Answers Key Day 108 regularly, students can get better problem-solving skills.

## 180 Days of Math for Fourth Grade Answers Key Day 108

Directions: Solve each problem.

Question 1.
32 – 9 = __________
32
-9
23
When you subtract 9 from 32 we get 23.

Question 2.
Write $$\frac{3}{4}$$ as a decimal.
$$\frac{3}{4}$$ = 0.75

Question 3.
List all the factors of 30.
Answer: The factors of 30 are 1, 2, 3, 5, 6, 10, 15, 30.
1 × 30
2 × 15
3 × 10
5 × 6
6 × 5
10 × 3
15 × 2
30 × 1

Question 4.
12 ÷ 6 = __________
Answer: 12 ÷ 6 = 2
So, the quotient is 2 and the remainder is 0.

Question 5.
8000 + 40 + 7 = __________
Answer: 8000 + 40 + 7 = 8047

Question 6.
6 + 6 + 6 + = 4 × 6
6 + 6 + 6 + 6 = 4 × 6
6 + 6 + 6 + 6 = 24
4 × 6 = 24
24 = 24

Question 7.
Record in milliliters.
__________ mL

Answer: From the above figure we can observe that it is 2.5 liters
Now we have to convert from liters to milliliters.
1 liter = 1000 ml
2.5 liter = 2.5 × 1000 = 2500 milliliters

Question 8.
How many months are in two and a half years?
1 year = 12 months
2 years = 24 months
2.5 years = 24 + 6 = 30 months
Therefore there are 30 months in two and half years.

Question 9.
Which triangle has only 2 equal sides?

Answer: Triangle B has two equal sides

Question 10.
Draw a circle on the coordinate (C, 7).