4th Grade Review B

Rounding/Estimating

100

Round 195 to the nearest hundred

200

200

Round 740,913 to the nearest hundred thousand

700,000

300

Round 919,999 to the nearest hundred thousand

900,000

400

Round 290,613 to the nearest thousand

291,000

500

Round 1,909,983 to the nearest hundred

1,910,000

Area and Perimeter

100

Find the area of a rectangle with sides of 5 feet and 4 feet

20 feet²

200

Find the perimeter of a rectangle with side length of 12 feet and 4 feet

32 feet

300

Find the area of a rectangle whose side lengths are 6 inches and 11 inches

66 inches²

400

Find the perimeter of a rectangle with side lengths of 7 feet and 13 feet

40 feet

500

Find the area and perimeter of a square with a side length of 9 feet

Area: 81 feet²

Perimeter: 36 feet

Fraction sentence

100

What is 1/4 + 1/4 + 1/4?

3/4

200

What is 2/5 + 2/5 + 1/5?

5/5 or 1

300

What is 1/10 + 2/10 + 3/10 + 4/10?

10/10 or 1

400

What is 1/3 + 1/3 + 2/3 + 2/3

6/3 or 2

500

What is 2/5 + 2/5 + 2/5 + 2/5 + 1/5 + 3/5

12/5 or 2 2/5

Decimal to Fraction

100

What is 0.1 as a fraction?

1/10

200

What is 0.9 as a fraction?

9/10

300

What is 0.4 as a fraction?

4/10

400

What is 0.01 as a fraction?

1/100

500

What is 0.75 as a fraction?

75/100

Multiplication

100

12 X 3

  6 3 X 2 ones

 30 3 X 1 ten  

 36

200

26 X 3

18 3 X 6 ones

60 3 X 2 tens

78

300

152 X 4

   8 4 X 2 ones

200 4 X 5 tens

400 4 X 1 hundred

608

400

345 X 5

     25 5 X 5 ones

   200 5 X 4 tens

1,500 5 X 3 hundreds

1,725

500

26 X 25

  130

+520

650