Integer/Rational Number Rules

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

Same signs add and keep,
different signs subtract,
keep the sign of...

• the first number
• the smaller number
• the bigger value
• the last number

Tags

CCSS.7.NS.A.1C

When multiplying two numbers with the same signs, the sign of your answer will be...
(example: N x N or P x P)

• negative
• the sign of the bigger value
• the sign of the higher number
• positive

Tags

CCSS.7.NS.A.2A

When multiplying two numbers with different signs, the answer will be ________.
(example: N x P or P x N)

• negative
• the sign of the bigger value
• positive
• the sign of the higher number

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

True or false: 
The rules for signs when dividing are the same as multiplying

• True
• False

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

When adding fractions, we first need to find...

• Greatest common factor
• Common denominators
• Common numerators

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

When multiplying fractions, we...

• multiply by the reciprocal
• multiply across
• add and keep
• find common denominators

Tags

CCSS.5.NF.B.6

When multiplying decimals, we need to make sure the place values are...

• the same
• it doesn't matter
• zero
• different

Tags

CCSS.6.NS.B.3

When multiplying decimals, how do I know where to put the decimals in my answer?

• I don't
• Always 2 places
• The places behind the decimal in the problem
• Take your best guess

Tags

CCSS.5.NBT.B.7