By accessing our **180 Days of Math for Fifth Grade Answers Key Day 30 **regularly, students can get better problem-solving skills.

## 180 Days of Math for Fifth Grade Answers Key Day 30

**Directions Solve each problem.**

Question 1.

Answer:

By subtracting 3 from 72 we get 69.

72 – 3 = 69

Question 2.

8 × 8 = ___

Answer:

By multiplying 8 with 8 we get 64.

8 × 8 = 64

Question 3.

How many fours are in 36?

______________

Answer:

By dividing 36 by 4 we get 9.

Therefore, there are 9 fours in 36.

Question 4.

Is 4,582 less than 4,682?

_____________________

Answer:

4,582 is less than 4,682

By subtracting 4582 from 4682 we get 100,

Therefore, 4582 is less than 4682.

Question 5.

Is \(\frac{1}{10}\) equal to \(\frac{2}{5}\)? ____

Answer:

As we can see that numerator 2 is greater than 1,

Therefore, 2/5 is always greater than 1/10.

Question 6.

(80 ÷ 10) + 8 = ______

Answer:

By dividing 80 by 10 we get 8,

Then by adding 8 with 8 we get 16.

Question 7.

9 × 2 = 3 ×

Answer:

By multiplying 9 with 2 we get 18,

Then by dividing 3 with 18 we get 6.

Therefore, by multiplying 3 with 6 we get 18.

Question 8.

How many days are in 1 year?

______________

Answer: In a year there are 365 days, whereas in a leap year there are 366 days.

Question 9.

Does the arrow show a vertex, face, or edge?

Answer: Edge

Question 10.

What percentage of Tommy’s coins are dimes?

Answer: There are 18 coinn of dimes in Tommy’s bank,

By dividing 18/100 we get 18%,

Therefore, 18% dimes are there in Tommy’s bank.

Question 11.

If you roll a 6-sided die, what is the probability of getting a 3?

_____________________

Answer:

Probability = favorable outcomes/total outcomes

P = 3/6

P = 1/2

Question 12.

Patrick wanted to buy some potatoes. Which bag is a better value for the money?

________________________

Answer:

By dividing $5.60 with 5 we get 1.12 per kg,

As given, $1.95 is for 1.5 kg,

By multiplying $1.95 with 3 kg we get $5.85,

Therefore as we can see the bag $5.60 is a better value for the money.