Addition and Subtraction Up to 40

Emily is a diver. Today she descended to a depth of 40 feet below sea level. Then she swam up 10 feet and descended another 4 feet. How far below sea level is Emily now?

• -34 feet

• -54 feet

• 54 feet

• -26 feet

Tags

CCSS.7.NS.A.3

5 - (-12)

• -7

• 7

• 17

• -17

Tags

CCSS.7.NS.A.1C

Step 1: Add your numbers
Step 2: Keep your signs
These steps apply to which rule?

• Adding Integers Rule (for same signs)

• Subtracting Integers Rule (for same signs)

• Multiplying Integers Rule (for same signs)

• Dividing Integers Rule (for same signs)

Tags

CCSS.7.NS.A.1C

Keep the sign of your first number. Change the subtraction sign to addition. Change the sign of your second number to its opposite/additive inverse. Then apply the rules for addition with same signs OR different signs.

• Adding Integers Rule 

• Subtracting Integers Rule 

• Multiplying Integers Rule 

• Dividing Integers Rule 

Tags

CCSS.7.NS.A.1C

−2 + 8 =

• 6

• −6

• −10

• 10

Tags

CCSS.7.NS.A.1C

Which of the following expressions has the greatest value?

• -7+(-3)

• 11-(-5)

• -9+5

• 12-6

Tags

CCSS.7.EE.B.3

Rewrite the following subtraction problem as addition:   -1 - 7

• -1 + 7

• 1 + 7

• -1 + (-7)

• 1 + (-7)

Tags

CCSS.7.NS.A.1B

16 + (-13) + 5

• 34

• 8

• 11

• 3

Tags

CCSS.7.NS.A.1D

Which question is the SAME as
24 + (-6)             ?

• 24 - 6

• 24 + 6

• -24 - 6

• -24 + 6

Tags

CCSS.7.NS.A.1B

Which of the answers show the subtraction problem correctly rewritten as an addition problem?
7 − 12

• 7 + 12

• 7 + (−12)

• −7 + 12

• −7 + (−12)

Tags

CCSS.7.NS.A.1C