Njsla Integers

- 2 + - 9

• -11

• 11

• -7

• 7

Evaluate:
−19+14

• −5

• 5

• −33

• 33

Classify the following numbers into their correct subset:

1) -2

2) ¾

3) √2/2

• 1) Integer

  2) Irrational

  3) Rational

• 1) Whole

  2) Rational

  3) Irrational

• 1) Natural

  2) Irrational

  3) Whole

• 1) Integer

  2) Rational

  3) Irrational

Integers are whole numbers and their ________.

• Inverses

• Reciprocals

• Square roots

• Opposites

A scuba diver decends 7 feet per minute, what integer represents the depth in a half an hour?

• 210 ft

• -210 ft

• -4.5 ft

• -420 ft

If I am subtracting integers, I need to change the problem to addition by ​ ​ (a)   ​ the ​ (b)   ​

• opposite

• subtracting

• same sign

• adding

Match the following

• 1

• 10 - 9

• -8

• 8 - (-5)

• -4

• 1 - 5

• 2

• -7 + (-1)

• 13

• -4 - (-6)

Match the following with the correct operation and sign of the answer.

• subtract, negative

• -762 + (-481)

• add, positive

• -717 + 927

• add, negative

• -1239 + 904

• subtract, positive

• 3 + 5

Whole numbers are the natural numbers and _____.

• Negative numbers

• Fractions

• Zero

• Non-terminating decimals

Which of the following numbers is NOT an integer?

• - √36

• 0

• 8/4

• -0.15