Home > Grade 7 > Integer Sums and Differences

Integer Sums and Differences

Directions: Using the integers -3 to 3, at most one time each, fill in the blanks to make each equation true.

Hint

Hint

What do you know about adding and subtracting integers?

Answer

Answer

There are many possibilities. 2 + -3 = -1 and 1 – 3 = -2; 1 + 2 = 3 and -3 – (-1) = -2

Source: Jeanmarie Mullen

Print Friendly, PDF & Email

Check Also

Sides of a Triangle

Directions: The perimeter of a triangle is 20 units. Using whole numbers, how many sets …

4 comments

  1. The second solution is incorrect. -3 – 1 = -4
    It should read -3 – (-1) = -2

  2. zero is part of the integer set. Should the directions also state that zero can’t be used?

    • I let them use zero. Solutions like -2 + 1 = -1 and 0 – (-3) = 3 were found. Made for some good discussion about the meaning of 0.

Leave a Reply to KaraM. Cancel reply

Your email address will not be published. Required fields are marked *