Estimating with All Operations and Decimals

Use estimation to solve the question.

68.9 + 5.2 =

• 741

• 74.1

• 7.41

• 0.741

Use estimation to solve the question.

Which is the same at 10⁴

• 40000

• 400

• 10000

• 104

Use estimation to solve the question.

Which number makes the comparison true.

16.428 < _______

• 16.901

• 15.999

• 16.398

Use estimation to solve the question.

594 x 48 =

• 25,000

• 28,512

• 20,632

• 24,722

Which equation has the same unknown value?

76.04 - 8.59 = _____

• _______ - 8.59 = 76.04

• _______ - 76.04 = 8.59

• 8.59 + _______ = 76.04

• 76.04 + _______ = 8.59

Use estimation to solve the question.

1632 ÷ 51 =

• 320

• 32

• 68

• 1100

20.96 ÷ 4 =

• 16.1

• 7.32

• 5.24

• 3.867

Use estimation to solve the question.

$9.35 x 28 =

• $72.98

• $18.24

• $261.80

• $223.40

Use estimation to solve the question.

64 - 5.84 =

• 69.84

• 58.16

• 55.67

• 56.75

Use estimation to solve the question.

37 x 22 =

• 6614

• 614

• 84

• 814