Week 2 7th Math Color Wars

• -1/16

• -1/8

• -3/4

• 1/4

• -1 1/3
• -2 2/3
• 3 1/3
• -3

• -6 2/3
• -5 2/3
• -4 2/3
• -1/3

• -18 2/3

• -17 13/24

• -18 13/24

• 1 19/24

What is the difference?

2/4 + -5/4

• -7/4
• 3/4
• -3/4
• -7/8

 5/8 − (− 7/8)

• 1  1/2
• 2  1/2
• -1  1/2
• -2  1/2

⁸/₁₅  +  (-⁶/₁₅)

• 14/15
• -2/15
• 2/15
• -14/15

When adding rational numbers with the same sign, you must:

• Subtract and keep the sign of the biggest number

• Add together and keep the sign

• Keep, change, switch

• Add the opposite

When adding number with different signs you....

• subtract and take the sign of the larger number

• add the opposite

• add and keep the sign

• subtract and keep the sign