Subtract positive and negative whole numbers
Grade 7 Math Worksheet - Building Confidence

Circle the best answer, or write your answer on the line.
Ari's robot starts at 3 on a number line, beeping happily. Subtracting (-4) is the same as adding 4, a move of 4 right. Where does the robot stop?
Bo's frog starts at -2 on a number line and looks very determined. Subtracting (-5) is the same as adding 5, a move of 5 right. Where does the frog land?
A number line with 0 marked, a tick at each whole number, and a dot at -2. The rule is labeled 'subtract (-5)'. A number line with 0 marked, a tick at each whole number, and a dot at -2. The rule is labeled 'subtract (-5)'. 0 subtract (-5) Kira's toy boat floats at 5 on a number line river. Subtracting (-7) is the same as adding 7, a move of 7 right. Where does the boat stop?
A number line with 0 marked, a tick at each whole number, and a dot at 5. The rule is labeled 'subtract (-7)'. A number line with 0 marked, a tick at each whole number, and a dot at 5. The rule is labeled 'subtract (-7)'. 0 subtract (-7) A number line with 0 marked and a tick at each whole number. A number line with 0 marked and a tick at each whole number. 0 Milo rewrites a subtraction as an addition. The card says 5 - (-3) = 5 + ?. What number goes in place of the ?
Noah copies a puzzle from the math book. The card says (-6) - 2 = (-6) + ?. What number goes in place of the ?
Use the picture in question 4.
Pia fills in a star-shaped puzzle. The card says (-2) - (-8) = (-2) + ?. What number goes in place of the ?
Use the picture in question 4.
Ren's robot sits at -3 on a number line. Its charging spot is at 5. How far is the robot from the charging spot?
A number line with 0 marked, a tick at each whole number, and dots at -3 and 5. A number line with 0 marked, a tick at each whole number, and dots at -3 and 5. -3 0 5 Tala watches two snails on a number line, at 2 and 9. How far apart are the snails?
A number line with 0 marked, a tick at each whole number, and dots at 2 and 9. A number line with 0 marked, a tick at each whole number, and dots at 2 and 9. 0 1 2 3 4 5 6 7 8 9 10 Ari spots a whale at -4 m and a bird at 6 m. (Above the water is positive.) How far apart are they?
A number line with 0 marked, a tick at each whole number, and dots at -4 and 6. A number line with 0 marked, a tick at each whole number, and dots at -4 and 6. 0 Jun finds a puzzle at the back of the math book. What is (-4) - 7?
A number line from -12 to 12 with 0 marked and a tick at each whole number. A number line from -12 to 12 with 0 marked and a tick at each whole number. −12 −10 −8 −6 −4 −2 0 2 4 6 8 10 12

