Integers and Operations

Integers and Operations

Assessment Review

What do you know?

We will review integer operations with addtion, subtraction, multiplication and division for your assessment today.

When we add or subtract integers the sign depends on the larger number

Multiple Choice

Which expression is equivalent to -12 - 9

• 12 + 9

• 12 + (-9)

• -12 - (-9)

• -12 + (-9)

Multiple Choice

The sum of two positive integers will be...

• Positive

• Negative

• Zero

Multiple Choice

Find the sum of -11 and -14

• 3

• 25

• -3

• -25

When multiplying and dividing integers the rule is a bit different

Multiple Select

Click the three (3) ways to show multiplication

• x

• *

• +

• ( )

Multiple Choice

64 ÷ (-8)

• 8
• -8
• -9
• -7

Multiple Choice

When multiplying or dividing a NEGATIVE and NEGATIVE number your result will be...

• POSITIVE
• NEGATIVE
• DEPENDS ON WHICH NUMBER IS LARGER.

Multiple Choice

-10(4)

• 40
• -14
• -40
• 14

Multiple Choice

-3(-4)

• -12
• 7 
• -7
• 12

Multiple Select

What word does NOT represent positive integers

• credit

• on level

• increase

• profit

Multiple Select

Which words represent negative in integers?

• debit

• below level

• decrease

• increase

Multiple Choice

Absolute value is always

• Negative and positive

• Negative

• Has no value

• positive

Multiple Choice

Meghan had to make a visit to the bank because her account was overdrawn by $32.  After making a deposit of $100, Meghan was now happy that she had some money. How much money did she have after making the deposit?

• $100
• -$78
• $68
• $32

Multiple Choice

When a submarine starts at sea level, goes down 250 feet, rises 80 feet, and descends another 18 feet, how would this be shown mathematically?

• 250 + 80 + (-18)
• -250 + 80 - (- 18)
• 250 + -( 80) + (- 18)
• -250 + 80 + (-18)