Temperature and Mathematical Operations Quiz

Which of the following situations have a sum of 0? Select ALL that apply.

• The temperature drops 12° from 10:00 a.m. to 11:00 a.m. The temperature then rises 12°.

• The temperature rises 4° from 12:00 p.m. to 1:00 p.m. The temperature then rises 4°.

• The temperature rises 10° from 8:00 a.m. to 11:00 a.m. The temperature then drops 10°.

• The temperature drops 8° from 10:00 a.m. to 11:00 a.m. The temperature then rises 15°.

Tags

CCSS.7.NS.A.1B

In the middle of the afternoon, the temperature outside was 0 °F. An hour later, the temperature had decreased by 10 °F. An hour after that, the temperature had decreased by another 2 °F. What increase in temperature is needed to return to the original temperature of 0 °F?

• 10 °F

• 12 °F

• 8 °F

• 2 °F

Tags

CCSS.7.NS.A.3

On a number line, what is the unit distance between –5 and 9?

• 14

• 15

• 16

• 13

Tags

CCSS.7.NS.A.1C

Subtract: -35 - 4.76

• -39.76

• -30.24

• -40.76

• -31.24

Tags

CCSS.7.NS.A.1C

Tam tracks the high and low temperatures in his town for five days during a cold spell in January. His results are shown in the table below. Which days has a temperature change more than 10 degrees?

• Tuesday and Wednesday

• Monday and Thursday

• Wednesday and Friday

Tags

CCSS.7.EE.B.3

Select all statements that are true.

• -10. 4 + (–5. 2) = a positive number

• 3/4 – 1 3/2 = a negative number

• 10 – (–10) = zero

• -7.5 – 4.23 = a negative number

Tags

CCSS.7.NS.A.1C

What is the difference of 12.75 and 2 1/4?

• 10.5

• 10.75

• 11

• 11.25

Tags

CCSS.7.NS.A.1C

Sam takes $25 from her bank account to pay for bus fare for the month. She does this each month for 8 months in a row. Which equation models this situation and represents the change it causes in Sam's bank balance?

• (-25) * 8 = -200

• (-25) * (-8) = 200

• (-25) * 8 = -33

• 25 * (-8) = -200

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

A carpenter is making a table that will be 72 inches wide. He is gluing boards together. Each board is 2 1/4 inches wide. How many boards does the carpenter need to make the table?

• 30

• 32

• 34

• 36

Tags

CCSS.6.NS.A.1

Cara creates a scavenger hunt for her friend Kacen. She hands Kacen four envelopes, each with some writing on the outside, as shown below. She tells Kacen that the correct clue to start the hunt is inside the envelope with a rational number written on it. Which envelope has the correct starting clue?

• Envelope 1:

• Envelope 2:

• Envelope 3:

• Envelope 4:

Tags

CCSS.7.NS.A.1D