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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