Lesson 2.4 (7th Grade)

A football team gained 9 yards on one play and then lost 22 yards on the next. Write a sum of integers to find the overall change in field position.

• -9 + (-22) = -13
• 9 + (-22) = 13
• 9 + (-22) = -13
• none

Tags

CCSS.7.NS.A.1C

Bob lost 5 points on page one of his math test and he lost 9 points on page two of his math test.  Which equation best describes Bob progress on his math test?

• 5 + 9 = 14
• -5 + -9 = -4
• -5 + -9 = -14
• 5 + -9 = -4

Tags

CCSS.7.NS.A.1C

Negative number + Negative number = 

• postive number
• negative number
• zero

Tags

CCSS.7.NS.A.1C

-10 + 10

• 20
• 0
• -20
• 1,000,000

Tags

CCSS.7.NS.A.1B

What is the opposite of a number called? 
Example: 
-5 and +5

• integer
• additive inverse
• absolute value
• difference

Tags

CCSS.7.NS.A.1B

What do you call a set of whole numbers and their opposites? 
Example: 
-3, -2, -1, 0, 1, 2, 3

• difference
• sum
• integers
• opposites

Tags

CCSS.6.NS.C.6A

When you add opposites, what do you get?

• 0
• A negative number
• Attraction
• You cannot add opposites

Tags

CCSS.7.NS.A.1B

Put in order from least to greatest.
-5, 0, -3, 5, -2, 4, 1

• -2, -3, -5, 0, 1, 4, 5
• -5, -3, -2, 0, 1, 4, 5
• 5, 4, 1, 0, -2, -3, -5
• 0, 1, -2, -3, 4, -5, 5

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

What equation is modeled?

• 7 + -6 = -6
• 7 + -13 = -6
• 7 + -14 = -6
• -6 + -14 = -6

Tags

CCSS.7.NS.A.1B

What equation is modeled?

• 15 + 25 = -10
• 15 + -25 = -10
• -10 + 15 = -10
• -25 + 15 = -10

Tags

CCSS.7.NS.A.1B