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 = ____
Answer:
39 + 56 = 95.
Explanation:
By adding 39 and 56 we will get the result as 39+56 = 95.
Question 2.
31 • 10 = ____
Answer:
31×10 = 310.
Explanation:
By multiplying 31 by 10 we will 31×10 = 310.
Question 3.
72 ÷ 9 = ______
Answer:
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?
__________
Answer:
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.
_____________
Answer:
\(\frac{7}{4}\).
Explanation:
Given 1\(\frac{3}{4}\) in mixed fraction, so in improper fraction it will be \(\frac{7}{4}\).
Question 6.
3 + (-2) + 4 = ___
Answer:
3 + (-2) + 4 = 5.
Explanation:
Given the expression is 3 + (-2) + 4
= 3 – 2 + 4
= 1 + 4
= 5.
Question 7.
Answer:
Question 8.
Solve for r if \(\frac{r}{2}\) = 12.
r = ___
Answer:
r = 12.
Explanation:
Given \(\frac{r}{2}\) = 12,
r = 12×2
= 24.
Question 9.
How many kilograms are in 7,000 grams?
_____________
Answer:
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.
Answer:
| 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?
_______________________
Answer:
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?
_______________________
Answer:
There are 33 passengers when Mia started counting.
Explanation:
Given that on a bus, Mia watched 8 people get off and 4 get on at the first stop and 3 people get off and 10 get on at the second stop, and then 5 people get off and 7 get on at the third stop. And if there are 25 passengers, then in the first stop 28 – 8 + 4 = 24 passengers. In second stop 24 – 3 + 10 = 31 passengers. In third stop 31 – 5 + 7 = 33 passengers. There are 33 passengers when Mia started counting.