Estimation Quiz

869.43 + 361.28

Write the question rounded to 1 significant figure

• 900 + 400

• 800 + 400

• 900 + 300

• 800 + 300

879.32 - 685.17

Write the question rounded to 1 significant figure

• 900 - 600

• 800 - 600

• 900 - 700

• 900 - 700

77.78 x 1.1

Write the question rounded to 1 significant figure

• 80 x 2

• 70 x 2

• 80 x 1

• 70 x 1

54.15 ÷ 8.2

Write the question rounded to 1 significant figure

• 50 ÷ 8

• 60 ÷ 8

• 50 ÷ 9

• 60 ÷ 9

2.06 x 8.15

Write the question rounded to 1 significant figure

• 2 x 9

• 2 x 8

• 3 x 8

• 3 x 9

181.141 x 0.117

Write the question rounded to 1 significant figure

• 100 x 0.2

• 200 x 0.1

• 200 x 0.2

• 100 x 0.1

116.677 ÷ 0.521

Write the question rounded to 1 significant figure

• 100 ÷ 0.6

• 200 ÷ 0.5

• 200 ÷ 0.6

• 100 ÷ 0.5

655.37 + 561.12

Write the question rounded to 1 significant figure

• 600 + 600

• 700 + 500

• 700 + 600

• 600 + 500

551.79 - 358.43

Write the question rounded to 1 significant figure

• 600 - 300

• 500 - 400

• 500 - 300

• 600 - 400

381.55 + 163.85

Write the question rounded to 1 significant figure

• 300 + 100

• 400 + 200

• 300 + 200

• 400 + 100