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 = _____________

Answer:

25

Explanation:

Question 2.

Answer:

138

Explanation:

Question 3.

222 ÷ 6 = ___________

Answer:

37

Explanation:

Question 4.

70,000 + 5,000 + 300 +60 + 8 = ____________

Answer:

75,368

Explanation:

Question 5.

Write the improper fraction shown by the model.

Answer:

Insufficient data.

Question 6.

4 × 5 ÷ 3 × 4 = __________

Answer:

26.666

Explanation:

Given, 4 × 5 ÷ 3 × 4

Let us solve 4 × 5

= 20

Now divide 20 with 3

20 ÷ 3 = 6.666

Now, Multiply 6.666 with 4

6.666 × 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 –

Answer:

30

Explanation:

Given, 15 + 80 = 125 –

Let us consider the blank space be ‘x’.

15 + 80 = 125 – 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 ¡s 1 cm^{3}?

Answer:

42 cm^{3}

Explanation:

Volume of a rectangular prism = length × width × height

v = lwh

volume = 7 × 3 × 2

volume = 42 cm^{3}

Question 9.

How many edges does the cone have?

Answer:

Cone has 1 edge.

Question 10.

What is the mean of these numbers?

8, 12, 24, 13, 4

Answer:

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 ÷ 5

= 12.2

.

Question 11.

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

Answer:

Yes, certainly you will wash your hands tomorrow.

Question 12.

In magic squares, each row, column, and diagonal adds up to the same number. Complete the magic square using each number 8-16 only once.

Answer: