# 180 Days of Math for Fourth Grade Day 62 Answers Key

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## 180 Days of Math for Fourth Grade Answers Key Day 62

Directions Solve each problem.

Question 1.

Answer:

Explanation:
The difference of 17 and 9 is 8
We cannot take 9 from 7
We have taken 10
so the number became 17

Question 2.
Circle the greater number.
0.02Â  Â  Â  Â 0.2
Answer:
0.02 is smaller.
Explanation:
0.2 > 0.02

Question 3.

Answer:

Explanation:
The first number, 84, is called the dividend.
The second number, 12 is called the divisor.
The remainder is 0
12 x 7 = 84

Question 4.
36 Ã· 6 = ___
Answer:

Explanation:
The first number, 36, is called the dividend.
The second number, 6 is called the divisor.
The remainder is 0
6 x 6 = 36

Question 5.
Write 2,365 in expanded notation.
_____________________
_____________________
Answer:
2000 + 300 + 60 + 5
Explanation:
2365 in expanded form is two thousand three hundred sixty five
2000 + 300 + 60 + 5 = 2365

Question 6.
23 + = 50
Answer:
23 + 27 = 50
Explanation:
50 – 23 = 27
subtraction and addition are inversely proportional equations.
to find the missing number we have to do the subtraction.

Question 7.
Calculate the perimeter of a square with 2-cm sides.
_____________

Answer:
Perimeter of a square = 4a
4 x 2 = 8 cm
Explanation:
4 x side of the square
4 x 2 = 8

Question 8.
How many faces does a rectangular prism have?
Answer:
6 faces
Explanation:
A rectangular prism has 8 vertices, 12 sides andÂ 6 rectangular faces.
All the opposite faces of a rectangular prism are equal.
A rectangular prism has a rectangular cross section.

Question 9.
Draw intersecting lines.
Answer:

Explanation:
When two or moreÂ linesÂ cross each other in a plane, they are calledÂ intersecting lines

Question 10.
It takes 5 bottles of juice to fill a 20-liter tank. How many liters are in each bottle?
_____________
Answer:
4 bottles
Explanation:
5 x 4 = 20
It takes 5 bottles of juice to fill a 20-liter tank.
4 x 5 = 20
4 liters are in each bottle

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