Applying place value understanding (general)

90 = 9 x 10

• 10 times as many as 9 is 9.

• 9 times as many as 90 is 10.

• 10 times as many as 90 is 9.

• 9 times as many as 10 is 90.

Which equation shows how the value of the 8 changed in 484 to the value of the 8 in 844?

• 80 x 10 = 800

• 80 ÷ 10 = 800

• 800 x 10 = 80

• 8,000 x 10 = 80

10 times less than 5,000 is what?

• 5

• 50

• 500

• 5,000,000

78000 ÷ 10

• 7800

• 780000

• 780

IF 3400=SUN +MOON THEN ,SUN AND MOON STANDS FOR ______ AND ______

• 300 AND 400

• 3000 AND 40

• 3000 AND 400

Dani is using a calculator to multiply 3,126 and 20. She enters 3,126 x 2 by mistake.What can Dani do to correct her mistake?

• Add 10 to the product

• Add 18 to the product

• Multiply the product by 10

• Multiply the product by 18

Answer explanation

Remember powers of 10

130 X 1,000 =

The negative of a negative rational number is a positive rational number.

• True

• False

• Cannot be explained

100 x 2 x 5=

Find the product of

3925 and 10