HW#2 Lesson 7.2

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

Which counter set models the expression -4 + 5?

(Red is negative and yellow is positive)

• 
• 
• 
• 

Tags

CCSS.7.NS.A.1C

• 7
• 5
• -7
• -5

Tags

CCSS.7.NS.A.1C

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

• 10

• 5

• -5

• 0

Tags

CCSS.7.NS.A.1C

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

• -1

• 1

• -7

• 7

Tags

CCSS.7.NS.A.1C

Which counter set models the expression -4 + 5?

• 
• 
• 
• 

Tags

CCSS.7.NS.A.1C

• 4 + 1 = 5

• 4 - (-1) = 5

• 4 + (-1) = 3

Tags

CCSS.7.NS.A.1C

Use the number line or counters to find the sum.
4 + (-5) =

• -1
• 1
• -9
• 9

Tags

CCSS.7.NS.A.1B

When adding positive numbers on a number line, you move to the ____________.

• Right
• Left

Tags

CCSS.7.NS.A.1C

When you add a negative number, the arrow goes to

• left (opposite)

• right

• neither

• both directions

Tags

CCSS.7.NS.A.1C