# 180 Days of Math for Fifth Grade Day 90 Answers Key

By accessing our 180 Days of Math for Fifth Grade Answers Key Day 90 regularly, students can get better problem-solving skills.

## 180 Days of Math for Fifth Grade Answers Key Day 90

Directions: Solve each problem.

Question 1.
46 – 21 = _____________
25

Explanation:

Question 2.

138

Explanation:

Question 3.
222 Ã· 6 = ___________
37

Explanation:

Question 4.
70,000 + 5,000 + 300 +60 + 8 = ____________
75,368

Explanation:

Question 5.
Write the improper fraction shown by the model.

Insufficient data.

Question 6.
4 Ã— 5 Ã· 3 Ã— 4 = __________
26.666

Explanation:
Given, 4 Ã— 5 Ã· 3 Ã— 4

Let us solve 4 Ã— 5

= 20

Now divide 20 with 3

20 Ã· 3 = 6.666

Now, Multiply 6.666 with 4

6.666 Ã— 4 = 26.666

Put decimal after three points from right side as the 4 is multiplied with 6.666 which has three point decimal.

Question 7.
15 + 80 = 125 –
30

Explanation:
Given, 15 + 80 = 125 –

Let us consider the blank space be ‘x’.

15 + 80 = 125Â  – x

95 = 125 – x

Subtract 125 on both sides

95 – 125 = 125 – x – 125

-30 = – x

x = 30

Question 8.
What is the volume of the prism if each cube Â¡s 1 cm3?

42 cm3

Explanation:
Volume of a rectangular prism = length Ã— width Ã— height

v = lwh

volume = 7 Ã— 3 Ã— 2

volume = 42 cm3

Question 9.
How many edges does the cone have?

Cone has 1 edge.

Question 10.
What is the mean of these numbers?
8, 12, 24, 13, 4
12.2

Explanation:
The sum of 8, 12, 24, 13, 4 is 61

8 +12 + 24 + 13 + 4 = 61

Divide the sum with the number of numbers.

61 Ã· 5

= 12.2

.

Question 11.
Is it impossible, likely, certain, or unlikely that you will wash your hands tomorrow?