Ch. 4 Review Quizizz

Elena is making a scale model of the Great Pyramids in Egypt. The pyramid is 1,083 feet tall. If the model is 0.01 of the actual size, how tall is the model?

• 10.83 feet

• 1.083 feet

• 108.3 feet

• 0.1083 feet

For the expression 0.52 x 10 = 52, choose True or False to show whether the product is correct.

• True

• False

For the expression 0.34 x 100 = 34, choose True or False to show whether the product is correct.

• True

• False

For the expression 0.82 x 10 = 8.2, choose True or False to show whether the product is correct.

• True

• False

Amy is buying flour for a bakery. She needs enough to make 750 loaves of bread. Each loaf requires 0.4 pounds of flour. How many pounds of flour does Amy need?

• 300 pounds

• 30 pounds

• 3000 pounds

• 75 pounds

Matt works at a local grocery store. He worked 20 hours this week. Last week he worked 2.75 times as many hours as he worked this week. How many hours did Matt work last week?

• 50 hours

• 55 hours

• 60 hours

• 65 hours

Solve. 11.8 × 16 = ?

• 188.8

• 189.8

• 190.8

• 191.8

For the expression 32 × 45 = 1,440, choose True or False to show whether the product is correct.

• True

• False

For the expression 32 × 4.5 = 14.40, choose True or False to show whether the product is correct.

• True

• False

For the expression 3.2 × 45 = 14.4, choose True or False to show whether the product is correct.

• True

• False