# 180 Days of Math for Sixth Grade Day 54 Answers Key

By accessing our 180 Days of Math for Sixth Grade Answers Key Day 54 regularly, students can get better problem-solving skills.

## 180 Days of Math for Sixth Grade Answers Key Day 54

Directions Solve each problem.

Question 1.
39 + 56 = ____
39 + 56 = 95.

Explanation:
By adding 39 and 56 we will get the result as 39+56 = 95.

Question 2.
31 • 10 = ____
31×10 = 310.

Explanation:
By multiplying 31 by 10 we will 31×10 = 310.

Question 3.
72 ÷ 9 = ______
72 ÷ 9 = 8.

Explanation:
By diving 72 by 9 we will get the result of 72÷9 which is 8.

Question 4.
Is 16 a composite number?
__________
Yes, 16 is a composite number.

Explanation:
Yes, 16 is a composite number. As 16 has more than two factors.

Question 5.
Write 1$$\frac{3}{4}$$ as an improper fraction.
_____________
$$\frac{7}{4}$$.

Explanation:
Given 1$$\frac{3}{4}$$ in mixed fraction, so in improper fraction it will be $$\frac{7}{4}$$.

Question 6.
3 + (-2) + 4 = ___
3 + (-2) + 4 = 5.

Explanation:
Given the expression is 3 + (-2) + 4
= 3 – 2 + 4
= 1 + 4
= 5.

Question 7. Question 8.
Solve for r if $$\frac{r}{2}$$ = 12.
r = ___
r = 12.

Explanation:
Given $$\frac{r}{2}$$ = 12,
r = 12×2
= 24.

Question 9.
How many kilograms are in 7,000 grams?
_____________
7,000 grams = 7 kg.

Explanation:
As 1 g = 0.001 kg, so
7,000 g = 7,000×0.001
= 7 kg.

Question 10.
Complete the chart for the shape. Name the figure. Circle How many surfaces? 1 How many vertices? 0 Does it stack or roll? Roll Is it a plane shape or a solid shape? Plane shape

Question 11.
The numbers 20 through 30 were written on individual cards and placed in a bag. If you take one card from the bag, what is the probability that it will be a multiple of 10?
_______________________
The probability of picking the multiple of 10 is $$\frac{1}{2}$$.

Explanation:
Given that the numbers, 20 through 30 were written on individual cards and placed in a bag. So the probability of picking the multiple of 10 is $$\frac{1}{2}$$.

Question 12.
On a bus. Mia watched 8 people get off and 4 get on at the first stop, 3 people get off and 10 get on at the second stop, and 5 people get off and 7 get on at the third stop. If there are now 25 passengers, how many people were on the bus when Mia started counting?
_______________________