Adding and Subtracting Integers Challenge

Why is it beneficial to add and subtract integers without a calculator?

• It is required by all teachers.

• It saves time during tests.

• It is a fun skill to have.

• Calculators are not allowed in exams.

What should you do if both integers have the same sign?

• Add the numbers and keep the sign.

• Subtract the smaller number from the larger one.

• Subtract the numbers and keep the sign.

• Ignore the signs and add the numbers.

If the integers have different signs, what is the first step?

• Add the numbers and keep the sign.

• Subtract the smaller number from the larger one.

• Subtract the numbers and keep the sign of the larger number.

• Ignore the signs and add the numbers.

What is the result of 6 + 10?

• 4

• 16

• 10

• 6

What is the result of -6 + (-12)?

• -6

• 18

• 6

• -18

What is the result of -2 + 8?

• 10

• 6

• -6

• -10

What is the result of -9 + 3?

• -12

• 6

• 12

• -6

What is the result of 6 - 10?

• -16

• 4

• -4

• 16

What is the result of -3 + 7?

• 4

• 10

• -10

• -4

What is the result of 9 - 12?

• -3

• 21

• -21

• 3