Math Review 12/5 to 12/9

Identify the constant of proportionality.

• k = 5

• k = 1/5

• k = 1

• k = 2.5

• none (not proportional)

Tags

CCSS.7.RP.A.2B

What is another name for constant of proportionality?

• linear

• origin

• rate of division

• unit rate

Tags

CCSS.7.RP.A.2B

Which equation have we been using to find the constant of proportionality (unit rate)?

Tags

CCSS.7.RP.A.2B

When we are adding, the rule for numbers with the same sign is...

• same signs subtract
• same signs add and keep
• same signs positive
• same signs negative

Tags

CCSS.7.NS.A.1C

When we are adding numbers with different signs, we follow the rule of...

• different signs subtract
• different signs positive
• different signs add and keep
• different signs negative

Tags

CCSS.7.NS.A.1C

Which is the rule for subtraction of integers?

• same sign sum

• different sign difference

• add the opposite

  (Keep, change, change)

• just subtract

Tags

CCSS.7.NS.A.1C

Tags

CCSS.7.NS.A.1C

Which proportion matches the following:

What is 90% of 250?

Tags

CCSS.6.RP.A.3C

 Shirley spelled 12 of her 15 spelling words correctly on the test.  What grade did Shirley get on the test?

• 40%

• 50%

• 80%

• 60%

The regular price of a jacket is $62.00. If the discount rate is 15%, how much was the discount?

• $9.30

• $25.00

• $52.70

• $45.75

Tags

CCSS.6.RP.A.3C