Operations with Decimals

At a childcare centre, the children cut straws into 4.5 cm strips to make a necklace. Kyra used 9 such pieces. How   long was the necklace she made?

• 4.5 cm

• 4.005 cm

• 40.5 cm

• 0.405 cm

Tags

CCSS.4.MD.A.2

Olivia and Tom bought packets of chocolates. Olivia bought 1 packet and Tom bought 3 packets. Each packet cost $4.85. How much more did Tom spend than Olivia?

• $0.97

• $4.85

• $9.70

• $14.55

Tags

CCSS.6.NS.B.3

Effendi bought 2 soccer balls for $38.55 each. He paid for them using a $100 note. How much change did he get?

• $20.90

• $21.90

• $22.90

• $23.90

Tags

CCSS.7.EE.B.3

The total cost of a trip is $1067.50. The class has raised $819.24. How much more do they need? DO NOT INCLUDE THE LABEL.

Tags

CCSS.5.NBT.B.7

A park is 1.1 miles long and 3.2 miles wide. What is the area of the park? DO NOT INCLUDE THE LABEL.

Hint: Area = Length x Width

Tags

CCSS.5.NBT.B.7

Hill Song Elementary is .40 the size of Hill Lake Elementary. If Hill Lake has 235 students, how many students are at Hill Song? DO NOT INCLUDE THE LABEL.

Tags

CCSS.5.NBT.B.7

Violet stopped at 5 Guys and bought a bacon cheeseburger for $6.99, Cajun fries for $2.49, and a milkshake for $1.99. How much did Violet spend on lunch?

WHICH OPERATION WOULD YOU USE TO SOLVE THIS PROBLEM?

• Multiplication

• Division

• Subtraction

• Addition

Tags

CCSS.6.NS.B.3

How many decimal places will you be moving in your final answer?

3.5 x 14.37

• 2

• 5

• 3

• 1

Answer explanation

14.37 <--- 2 decimal places

x 3.5 <--- 1 decimal place

--------

50.295 <--- 3 decimal places

Tags

CCSS.6.NS.B.3

Frank worked 7 hours on Friday and 8 hours on Saturday. If he makes $9.23 each hour, how much did he make Friday and Saturday combined?

• $64.61

• $73.84

• $24.23

• $138.45

Tags

CCSS.7.NS.A.3