Math 6 Review Week of Nov 9

Integer rule for addition: Same sign_____ _____ ______ the sign.

5+4=

• -9

• 9

(-5)+(-4)=

• -9

• 9

Rule for adding integers: Different signs________. Keep the sign of the _________ number.

Answer explanation

(you should sing in your head to the tune of row, row, row your boat)

-2 + 9

• -11
• -7
• 7
• 11

Tags

CCSS.7.NS.A.1C

3 + -7

• 10
• 4
• -10
• -4

Tags

CCSS.3.NBT.A.2

What is the rule for subtracting integers?

• different signs, always negative.

• same signs always positive

• Same sign add and keep, different signs subtract. Keep the sign of the bigger number

• Keep change change. Then use the rules for addition to solve.

What is the first step to solve this problem: -1 - 5 =

• $-1-5$

• $1+\left(-5\right)$
  

•  $-1+\left(-5\right)$ 
  

• $-1-\left(-5\right)$
  

Answer explanation

Apply the rule keep change change  $-1+\left(-5\right)$  

What is the second step to solve this problem: -1 - 5 =

• 4

• -4

• -6

• 6

Answer explanation

Apply the rule keep change change  $-1+\left(-5\right)$  then apply the rules of addition (same sign add and keep)

What is the rule for multiplying and dividing integers? (check all that apply)

• different signs, always negative.

• same signs always positive

• Same sign add and keep, different signs subtract. Keep the sign of the bigger number

• Keep change change. Then use the rules for addition to solve.