Modeling Integers

(++++) + (---) = ? 

• -1
• 1
• -7
• 7

Tags

CCSS.7.NS.A.1C

What is a zero pair? 

• Two negatives
• Two positives
• One negative, one positive

Tags

CCSS.7.NS.A.1B

(-----) + (++++++++++) = ?

• 10
• 5
• -5
• 0

Tags

CCSS.7.NS.A.1C

Which addition equation matches the problem modeled below? (Yellow is positive and Red is negative)

• -2 + -4 = -6

• 2 + -4 = -2

• 4 + 2 = 6

Tags

CCSS.7.NS.A.1C

• 4 + 1 = 5
• 4 - (-1) = 5
• 4 + -1 = 3

Tags

CCSS.7.NS.A.1B

• 4 - 2 = 2
• -4 + 2 = -2
• -4 - 2 = -6
• 4 + 2 = 6

Tags

CCSS.7.NS.A.1B

• 7 + 10 = 3
• -7 + 10 = 3
• -7 - 10 = 3
• -7 + 3 = 10

Tags

CCSS.7.NS.A.1D

Look at the number line.

• –2 + 4 =  –2
• –2 + (–4) =  –6
• 4 + (–6) =  –2
• 4 + (–2) =  6

Tags

CCSS.7.NS.A.1B

Which counter set models the expression -4 + 5?

• 
• 
• 
• 

Tags

CCSS.7.NS.A.1C

Which counter set models the expression -6 + 6?

• 
• 
• 
• 

Tags

CCSS.7.NS.A.1C