4th Grade Math

Decimals

100

This is the value of  0.32

Is it 32 hundredths or 32 cents?

200

This is the equivalent fraction for 0.7

Is it 7/10?

300

This is the sum of 2/10 + 4/10.

Is it 6/10 (or 3/5)?

400

This is the sum of  5 1/3 + 4 1/3.

Is it 9 2/3?

500

This is the sum of 4/100 + 3/10.

Is it 34/100?

Estimation

100

This is number that 39 would be rounded up to.

Is it 40?

200

This is 532 rounded to the nearest hundred.

Is it 500?

300

This is 7,824 rounded to the nearest thousand.

Is it 8,000?

400

This is 578 rounded to the nearest ten.

Is it 580?

500

This is 7,586, 924 rounded to the nearest thousand.

Is it 7,587,000?

Area & Perimeter

100

The perimeter of a square that has 2 ft sides.

Is it 8ft?

200

The perimeter of a rectangle whose length is 5inches and width is 2 inches.

Is it 14 inches?

300

The area of a 5m wide and 8m long rectangle.

Is it 40 sq. meters?

400

If you bought a piece of fabric that is 25 sq. meters and the length is 5m, how big is the width?

Is it 5meters?

500

If the area of your backyard garden was 40 sq. feet, and the length was 8ft, what is the width?

Is it 5ft?

Place Value

100

This is the place value of the 8 in 3, 785.

Is it tens place?

200

This is the place value placement of the 5 in 3,456, 721. 

Is it the ten thousand's place?

300

This is the value of the 9 in 3,921.5

Is it 900?

400

This is the value of the 8 in 5.28.

Is it 8 hundredths?

500

This is the value of the 7 in 402,651.75

Is it 7/10?

Multiplication

100

This number is the product of 9x9.

Is it 81?

200

This number is the product of  35 x 4.  

Is it 140?

300

This number is the product of 472 x 100. 

Is it 47,2000?

400

This number is the product of  42 x 58.

Is it 2,436?

500

 This number is the product of 327 x25 

Is it 8,175?