Mr.F.'s Grade 5 Chapter 1 Challenge

Which expressions are equal to 8 × 10⁵?

Choose all that apply.

• 8 × 1,000

• 8 × 10,000

• 8 × 100,000

• 8 × 10 × 10 × 10 × 10

• 8 × 10 × 10 × 10 × 10 × 10

The area of Gateway National Recreation Area is about twenty-six thousand, six hundred six and sixty-three hundredths. Which shows this number in standard form?

• 26,606.3

• 26,606.63

• 26,660.63

• 26,666.3

Jackson has 2,000 baseball cards in his collection. Gabe has 1/10 as many baseball cards in his collection as Jackson. How many baseball cards does Gabe have in his collection?

Which comparisons are true?

Choose all that apply.

• 7.34 > 7.304

• 1.628 > 1.63

• 4.05 < 4.055

• 9.103 < 9.13

• 2.29 < 2.129

Ryan shaded 70 squares on his hundredths grid. Sarah shaded 80 squares on her hundredths grid. Which decimal is greater than Ryan’s decimal and less than Sarah’s decimal?

• 0.74

• 0.81

• 0.65

• 0.89

Ryan shaded 70 squares on his hundredths grid. Sarah shaded 80 squares on her hundredths grid. Which decimals show how much of the grid Ryan shaded? Select all that apply.

• 0.700

• 0.07

• 0.7

• 0.070

• 0.70

Danielle put 4.902 gallons of gasoline in a gas tank. What is 4.902 written in expanded form?

• 4 × 1 + 9 × 1/10 + 2 × 1/100

• 4 × 1 + 9 × 1/10 + 2 × 1/1000

• 4 × 10 + 9 × 1/10 + 2 × 1/100

• 4 × 10 + 9 × 1/100 + 2 × 1/1000

Mrs. Bell has an interest rate of 4.175% on her house. Mr. Bentley has an interest rate of 4.25% on his house. Which explains who has the lower interest rate?

• Mr. Bentley has the lower interest rate because both decimals have a 4 in the ones place, and 0 thousandths is less than 5 thousandths.

• Mr. Bentley has the lower interest rate because both decimals have a 4 in the ones place, and 5 hundredths is less than 7 hundredths.

• Mrs. Bell has the lower interest rate because both decimals have a 4 in the ones place, and 7 hundredths is less than 5 hundredths.

• Mrs. Bell has the lower interest rate because both decimals have a 4 in the ones place, and 1 tenth is less than 2 tenths.

What is 90.125 written in word form?

• ninety-one and twenty-five hundredths

• ninety-one and twenty-five thousandths

• ninety and one hundred twenty-five tenths

• ninety and one hundred twenty-five thousandths

The numbers below follow a pattern.

0.007 0.07 0.7 7 __________