Mastering Rational Number Operations

Calculate: 5/6 - 1/4

• 1/2

• 7/12

• 2/3

• 3/10

Tags

CCSS.7.NS.A.1C

Two students solved the problems below. Which student solved the problem correctly?

• James

• Cecilia

• Both James and Cecilia

• Neither James nor Cecilia

Tags

CCSS.7.NS.A.1C

What is the result of 0.75 + (-1.2)? Show your work.

Tags

CCSS.7.NS.A.1C

• A

• B

• C

• D

Tags

CCSS.7.EE.B.3

A submarine is at -150 meters below sea level. It rises 85 meters and then descends 40 meters. What is its new position?

• -25 meters

• -105 meters

• -195 meters

• -5 meters

Tags

CCSS.7.NS.A.3

Sarah had 3/4 of a pizza. She ate 1/2 of what she had. How much pizza did she eat? Show your calculation.

Tags

CCSS.5.NF.B.6

A temperature dropped from 5°C to -8°C. What was the change in temperature?

• -13°C

• 13°C

• -3°C

• 3°C

Tags

CCSS.7.NS.A.1C

If a bank account has a balance of -20 dollars and you deposit 35 dollars, what is the new balance? Explain your reasoning.

Tags

CCSS.7.NS.A.1C

A recipe calls for 2.5 cups of flour. If you want to make half the recipe, how many cups of flour do you need?

• 1.25

• 2

• 1.5

• 0.5

Tags

CCSS.6.NS.B.3

The table shows transactions from five different bank accounts. What is the missing new account balance for account 3?

• 25

• 75

• 175

• -25

Tags

CCSS.7.NS.A.1A