Integers

Question 1

What sign is a negative times/divide a negative?

For example, -2 • -6

or -8 ÷ -4

Answer 1

Positive

• 2 • -6 = 12
• 8 ÷ -4 = 2

Question 2

What sign is a positive times/divide a positive?

Answer 2

Positive

Question 3

What sign is a negative times/divide a positive?

Answer 3

Negative

Question 4

How do you add a positive number and a negative number?

For example, 4+-7.

Answer 4

Whenever you are adding and the numbers have opposite signs, you subtract them and give the answer the sign of the bigger value.

For example, 4+-7=-3 since 7-4=3 and 7 is bigger than 4.

Question 5

How do you add a positive number and a negative number?

For example, 24+-50.

Answer 5

Whenever you are adding and the numbers have opposite signs, you subtract them and give the answer the sign of the bigger value.

For example, 24+-50=-26 since 50-24=26 and 50 is bigger than 24.

Question 6

How do you add a negative number and a positive number?

For example, -11+7.

Answer 6

Whenever you are adding and the numbers have opposite signs, you subtract them and give the answer the sign of the bigger value.

For example, -11+7=-4 since 11-7=4 and 11 is bigger than 4.

Question 7

How do you add a negative number and a positive number?

For example, -20+50.

Answer 7

Whenever you are adding and the numbers have opposite signs, you subtract them and give the answer the sign of the bigger value.

For example, -20+50=30 since 50-20=30 and 50 is bigger than 30.

Question 8

How do you subtract a negative number?

For example, 4 - -2.

Answer 8

The two neighbour negatives turn into a positive, so you add them.

Question 9

How do you subtract a number that is too big?

For example, 15-35.

Answer 9

Since the second number is bigger, the answer will be negative. You just subtract them and make the answer negative.

15-35=-20 since 35-15=20 and you just make it negative.

Question 10

What is the order of operations?

Answer 10

• Brackets
• Exponents
• Division/Multiplication
• Addition/Subtraction

Question 11

What does “absolute value” mean?

Answer 11

It’s “distance from zero.”

It’s always the positive version of a number.

For example, the absolute value of -3 is 3.

Question 12

What is the symbol for absolute value?

Answer 12

Question 13

Calculate the following:

Answer 13

Question 14

What is the order of operations?

Answer 14

1. Brackets
2. Exponents
3. Multiply/divide (left to right)
4. Add/subtract (left to right)