By accessing our 180 Days of Math for Fifth Grade Answers Key Day 75 regularly, students can get better problem-solving skills.

Directions Solve each problem.

Question 1.
______________
Explanation:
43 + 35 = 78

Question 2.

Explanation:
Multiply the numbers 20 and 10,
we get the product 200.

Question 3.
How many groups of 5 are in 45?
_______________
Explanation:

Question 4.
Round 35,678 to the nearest thousand.
______________
36,000
Explanation:
Rounding to the nearest thousand means,
rounding the decimal to its nearest thousandth.
the digit next to the thousandth is more than 5,
then round up to the nearest thousand.

Question 5.
What is half of $6.90? ______________ Answer:$3.45
Explanation:
Divide \$6.90 by 2,
we get exact half of the number.
6.90 ÷ 2 = 3.45

Question 6.
Write the number that comes next in the sequence.
1,057; 1,007; 957,
_______________
907
Explanation:
Sequence follows (n – 50) rule
n = given numbers in sequence
subtract 50 from the last number 957
957 – 50 = 907

Question 7.
18 – = 45 ÷ 3
Explanation:
Let the given number be x
18 – x = 45 ÷ 3
18 – x = 15
x = 18 – 15 = 3

Question 8.
4 quarts = ______ cups
16 cups
Explanation:
1 quart = 4 cups
4 quarts = 4 x 4 = 16 cups

Question 9.
True or false? A solid is a two-dimensional object.
______________
False
Explanation:
A solid is a 3-dimensional shape.
It has length, width and height.

Question 10.
Write the coordinates of:

(G, 1)
Explanation:
(G, 1)
first lets check the letters
letter = G
then check the number given
number = 1
now check the fourth intersection upwards from G

Question 11.
If you flip a coin 100 times, how many times are you likely to get tails?
______________
50 times
Explanation:
When we flip a coin for 100 times,
Probability of getting tails is 50 times.

Question 12.
How many equal line segments are needed to make a line of 30 triangles?
__________________________

$$\frac{30×6}{3}$$ = 60