By accessing our 180 Days of Math for Fifth Grade Answers Key Day 84 regularly, students can get better problem-solving skills.
180 Days of Math for Fifth Grade Answers Key Day 84
Directions Solve each problem.
Question 1.
Subtract 9 from 42.
_______________
Answer: 33
Explanation:
Subtracting smaller number 9 from bigger number 42,
we get the difference 33.
Question 2.
30 × 10 _____
Answer:
300
Explanation:
Multiply the numbers 30 and 10,
we get the product 300.
Question 3.
Is 4 a factor of 20 and 32?
_____________________
Answer:
Yes, 4 is a factor of 20 and 32
Explanation:
when the given numbers exactly divide by 4,
leaving zero as a remainder then 4 is a factor.
Question 4.
Round 65,499 to the nearest thousand.
________________
Answer:
65,000
Explanation:
Rounding to the nearest thousand means,
rounding the decimal to its nearest thousandth.
the digit next to the thousandth is less than 5,
then round down to the nearest thousand.
Question 5.
Write \(\frac{4}{10}\) as a decimal.
Answer:
0.4
Explanation:
\(\frac{4}{10}\) as a decimal.
Divide 4 by 10 = 0.4
Question 6.
(19 + 20) + (16 + 20) = ___
Answer:
75
Explanation:
(19 + 20) + (16 + 20)
= 39 + 36
= 75
Question 7.
63 – 
= 7
Answer:
56
Explanation:
Let the given number be x
63 – x = 7
x = 63 – 7
x = 56
Question 8.
___ mL = 3\(\frac{1}{2}\) L
Answer:
3,500ml
Explanation:
1 liter = 1,000ml
3\(\frac{1}{2}\) L
= \(\frac{7}{2}\) L
= 3.5 L or 3,500ml
Question 9.
How many edges does the prism have?
Answer:
12 edges
Explanation:
A prism is a three dimensional solid, that has two identical bases,
with 12 edges.
Question 10.
Plot the following point on the graph: (2, 5)
Answer:
Explanation:
first lets point the numbers on graph
2 on x- axis and 5 on y-axis.
Question 11.
Two red and two blue blocks are placed into a bag. You take one of the blocks out of the bag. What is the probability the block is green?
_____________
Answer:
Zero probability.
Explanation:
A bag has 2 red and 2 blue blocks.
Probability of green blocks are zero,
as there are no green blocks in bag.
Question 12.
Jackie left home at 3:15. She spent 15 minutes walking to the movie theater. The movie lasted 2\(\frac{1}{2}\) hours. She then walked home. What time did she arrive back home?
_____________
Answer:
6:15
Explanation:
Jackie left home at 3:15.
She spent 15 minutes walking to the movie theater.
The movie lasted 2\(\frac{1}{2}\) hours.
She arrive back home = 15 + 2\(\frac{1}{2}\) = 0:15 + 2:30
=2:45
She then walked home 15min
=2:45 + 0:15 = 3:00
3:15 + 3:00 = 6:15