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## 180 Days of Math for Fifth Grade Answers Key Day 100

**Directions: Solve each problem.**

Question 1.

Answer:

34

Explanation:

Question 2.

23 × 4 = ___________

Answer:

92

Explanation:

Question 3.

Is 9 a factor of 63 and 72?

Answer:

Yes.

Explanation:

Factors of 63 = 1, 3, 7, 9, 21, 63

Factors of 72 = 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

9 is the common factor of both 63 and 72.

Question 4.

What numeral is 1,000 more than 69,301?

Answer:

70,301

Explanation:

69,301 + 1000 = 70,301

Question 5.

Write the fraction shown by the model.

Answer:

(1/4)

Explanation:

The shaded part is 2 and the total number of blocks is 8.

So, (2/8) = (1/4)

Question 6.

Write the number that comes next in the sequence.

2,459; 2,409; 2,359; _________

Answer:

2,309

Explanation:

2,459 -50 = 2,409

2,409 – 50 = 2,359

2,359 – 50 = 2,309

Question 7.

45 + 20 = 80 –

Answer:

15

Explanation:

Let us consider the blank space be ‘x’.

45 + 20 = 80 – x

65 = 80 – x

x = 80 -65

x = 15

Question 8.

How many hours are in 3 days?

Answer:

72

Explanation:

1 day = 24 hours

3 days = 24 × 3

= 72

Question 9.

Are there any perpendicular lines in the letter L?

Answer:

Yes.

Question 10.

Name the shape that is located at (B, 4).

Answer:

Rectangle.

Question 11.

If you spin the spinner 8 times, how many times are you likely to land on yellow?

Answer:

(8/3)

Explanation:

The probability of spinner to land on yellow is (1/3)

If the spinner spins 8 times, the probability to land on yellow is 8(1/3) = (8/3)

Question 12.

Find the pattern to complete the pyramid.

Answer: