4th Grade Math Review

Place Value & Rounding

100

In the number 4,207 which digit is in the tens place?

The zero (0).

200

Round 231 to the nearest hundred.

200

300

In the number 56.78 which digit is in the tenths place?

The seven (7)

400

Round 81,023 to the nearest ten thousand.

80,000

500

How do you make a tissue dance?

Put a little boogie in it!

Whole Numbers

100

Why was 6 afraid of 7?

Because 7 8 9!

200

What is 193 - 31?

162

300

What is 42 x 5?

210

400

What is 208 divided by 8?

26

500

What is 152 divided by 3?  Write your quotient as a mixed number.

50 R2

Fractions & Decimals

100

What does the denominator of a fraction tell us?

How many pieces make up 1 whole.

200

What is Mr. Malone's first name?

Mister!

300

3/7 + 3/7 = ?

6/7

400

3  3/7 - 1  1/7 = 

2  2/7

500

What is 4 5/6 + 2  2/3?

2/3 = 4/6 so 

4  5/6 + 2  4/6 = (4+2) + (5/6 + 4/6)

                       = 6 + 9/6

9/6 = 1  3/6 so 

6 + 1 + 3/6 = 7 3/6 or 7 1/2

Perimeter & Area

100

What formula can we use to find the perimeter of a rectangle?

P = L + W + L + W 

or

P = 2L + 2W

200

What formula can we use to find the area of a rectangle?

A = L x W

300

A rectangle has a length of 6 inches and a width of 9 inches.  What is the perimeter of the rectangle?

P = 30 inches

400

What do you call a friend who likes math?

An algeBRO!

500

What is the area of a square that has 6 foot side lengths?

A = 36 ft² or 36 square feet

Lines, Shapes, & Angles

100

What do we call an angle that is exactly 90^o?

A right angle

200

Why are math books often depressed?

Because they have so many problems!

300

Two angles add up to 90^o.  One of the angles is 40^o.  How much is the second angle?

90^o - 40^o = 50^o

400

I have a 180^o and know that one part of it is 85^o.  How much is the rest of the angle?

180^o - 85^o = 95^o

500

I combined a 35^o angle with a 55^o angle.  What do we call the combined angles?

A right angle (or a 90^o angle).