Rounding to
any place
Estimating
Multiplication Facts
Addition/
Subtraction
1

Round 456 to the nearest hundred. 

500

1

Round each number to the nearest thousand to estimate the sum:

  2,784

+4,145


7,000

1

7 x 6 =

42

1

3,913 + 2,239 = 

6,152

2

Round 3,456 to the nearest thousand.

3,000

2

Round each number to the nearest thousand to estimate the sum:

  4,678

+2,301

7,000

2

5 x 70=

350

2

4,678 + 1,254 =

5,932

3

Round 8,692 to the nearest thousand. 

9,000

3

Round each number to the nearest thousand to estimate the sum:

  5,612

+5,734

12,000

3

3 x 40 = 

120

3

6,237 + 5,981 =

12,218

4

Round 12,917 to the nearest ten thousand.

10,000

4

Round each number to the nearest thousand to estimate the sum:

  8,154

+2,845

11,000

4

8 x 400 =

3,200

4

4,526 + 6,533 =

11,059

5

Round 264,782 to the hundred thousand.

300,000

5

Round each number to the nearest thousand to estimate the sum:

  4,976

+8,902

14,000

5

4 x 200 = 

800

5

78,245 + 17,065 =

95,310