Estimation Skills Challenge

Estimate the sum of 48 and 75.

• 112

• 130

• 155

• 123

Round 367 to the nearest ten.

• 360

• 400

• 380

• 370

Use compatible numbers to estimate the difference between 89 and 54.

• 50

• 30

• 40

• 60

Estimate the product of 23 and 45.

• 1035

• 1000

• 1100

• 1010

Round 892 to the nearest hundred.

• 890

• 895

• 900

• 910

Use compatible numbers to estimate the sum of 356 and 487.

• 800

• 950

• 900

• 850

Round 6543 to the nearest thousand.

• 6500

• 7500

• 7000

• 6000

Estimate 68.45+94.6

• 60

• 160

• 150

• 165

Estimate 14.87 ÷ 2.85

• 3

• 15

• 5

• 10

Estimate 817.4 × 48.14

• 20

• 800

• 300

• 40000