# 180 Days of Math for Fourth Grade Day 49 Answers Key

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## 180 Days of Math for Fourth Grade Answers Key Day 49

Directions Solve each problem.

Question 1.

Explanation:
The sum of 16 and 8 is 24
The ones place 6 and 8 are added
it is 14
1 is taken as carry forward

Question 2.
$$\frac{1}{4}$$ of 36 is ___.

Explanation:
We can now divide both the new numerator and the denominator by 4 to simplify this fraction down to its lowest terms.
36 Ã· 4 = 9
$$\frac{1}{4}$$ of 36 is 9

Question 3.
List all the factors of 8.
______________
The factors of 8 areÂ 1, 2, 4 and 8.
Explanation:
Factors are nothing but the multiples of 8
2 x 4 = 8
4 x 2 = 8
1 x 8 = 8
8 x 1 = 8

Question 4.

Explanation:
9 x 5 = 45
The first number, 45, is called the dividend.
The second number, 9 is called the divisor.
And the remainder is 0.

Question 5.
What is the value of the digit 4 in 10,472?
________________________
The value of 4 in 10,472 is 400
Explanation:
Hundreds is the place value of 4 in 10,472.
4 is in hundreds place.
7 is in tens place
2 is in ones place
0 is in thousands place and 1 is in ten thousands place.

Question 6.
36 + = 40
36 + 4 = 40
Explanation:
40 – 36 = 4
The addition and subtraction are inverse operations
The sum of 36 and 4 is 40

Question 7.
Each cube has 1-cm sides. What is the volume of the model?
_______________

s = 1 cm
Volume of the cube = sÂ³
V = 1 Ã— 1 Ã— 1 = 1 cu. cm
There are 8 cubes in the model
V = 8 Ã— 1
V = 9 cmÂ³

Question 8.
2 hours = ___ minutes
120 minutes
Explanation:
1 hour = 60 minutes
2 x 60 = 120 minutes.

Question 9.
Which solid has a square for the top, front, and side views?
______________
Cube.
Explanation:
A cube has a square for the top, front, and side views
For example a building block

Question 10.
Shawn is 36 in. tall. His mom is twice as tall as he is. How tall is Shawnâ€™s mom?
______________