Grade 7 Quiz (Number Sense)

The digit 8 in 78,012 has a value of

• 8,000

• 800

• 80,000

• 78,000

Given 1, 231, 400, the digit two has a value of

• 200

• 20,000

• 200,000

• 1,200,000

5 million, three hundred and twenty-seven thousand, five hundred and one can be represented by

• 5,325,500

• 5,327,501

• 532,501

• 5,302,501

The Place Value of a number is determined by the position of the number.

• True

• False

To find the value of a digit in a number, the value of a digit is multiplied by the value of its place.

• True

• False

The number 329 written in Expanded Notation is

• (3 + 100)x(3 + 10)x(9 + 1)

• 3¹⁰⁰ + 2¹⁰ + 9¹

• (3 x 30)+(2 x 20)+(9 x 90)

• (3 x 100)+(2 x 10)+(9 x 1)

Squares and Square Roots are not inverse operations.

• True

• False

The square of 16 is

• 8

• 40

• 4

The square of 12 is

• 144

• 24

• 3.46

• 145

Complete the number sentence to make it true.

831,562 __ 823,652

• <

• =

• >