VOCAB
Powers of 10
Estimate
Place Value
SOLVE!
100

What is a decimal?

A number containing a decimal point that separates a whole from fractional place value.

100

What is 10 x 3.2?

32

100

Use estimation to help you select a correct answer for this equation.

0.8 x 0.8

A - 64

B - 0.64

C - 6.4

B - 0.64

100

What is the Place Value to the right of the decimal point?

tenths

100

What is the product of 1.05 and 0.7?

0.735

200

What does it mean to estimate?

To give an approximate number of answer based on mathematical thinking.

200

What is 10 x 0.064?

0.640

200

Use estimation to help you select a correct answer for this equation.

2.6 x 0.9

A - 23.4

B - 2.34

C - 234

B - 2.34

200

What is the Place Value that is two places to the left of the decimal point?

Hundredths

200

What is the product of 0.9 and 0.2?

0.18

300

What is a factor?

A number that is multiplied.

300

What is 0.1 x 87?

8.7

300

Use estimation to help you select a correct answer for this equation.

10.4 x 1.2

A - 1,248

B - 1.248

C - 12.48

C - 12.48

300

My factors are:  A number in the hundredths place and a number in the tenths place

What Place Value will my product have?

My product will be a number in the thousandths.

300

Ryder paints 0.8 of a poster red.  After the paint dries, he paints 0.42 of the red part black.  What part of the poster is black?

Ryder paints 0.336 of the poster black.

400

What is a product?

The result of multiplication.

400

What is 0.1 x 56.3?

5.63

400

Use estimation to help you select a correct answer for this problem.

Nicky eats 0.5 of a 1.25-ounce bag of raisins.  How many ounces of raisins doe Nicky eat?

A - 0.625

B - 0.0625

C - 6.25

A - 0.625

400

Place the decimal point in the product so that the equation is correct.

12.53 x 5 = 6 2 6 5

62.65

400

A school is creating a garden.  The garden will be 5.4 meters long and 10.2 meters wide.  How many square meters of the school yard will the garden cover?

The garden will cover 55.08 square meters of the school yard.
500

What does Place Value mean?

The value of a digit based on its position in a number.  

500

When we multiply 0.1 by something, will our product be greater or less than the factor?

The product will be less than the factor.

500

Use estimation to help you select a correct answer for this problem.  Braeden buys some French Fries for $0.80 per pound.  He buys 0.7 pounds of French Fries.  How much does Braeden pay for his French Fries?

A - 72 cents

B - 0.72

C - $0.72

D - All of the above

D - All of the above

500

Place the decimal point in the product so the equation is correct.

1.3 x 0.89 = 1 1 5 7

1.157

500

Marley's brother fills their gas tank with 9.8 gallons of gas.  Each gallon costs $3.85.  How much does Marley's brother spend on gas?

Marley's brother spends $37.73 on gas.