MathIQO worksheet
Multiply and divide integers · Grade 8 · B2.7
Name: ______________________
Date: ______________________
- 1
Calculate: 8 × (−1)
Warm-upAnswer:
- 2
Calculate: (−5) × 5
Warm-upAnswer:
- 3
Calculate: 3 × (−7)
Warm-upAnswer:
- 4
Calculate: 12 × 12
On levelAnswer:
- 5
Calculate: 11 × (−1)
On levelAnswer:
- 6
Calculate: 11 × 9
On levelAnswer:
- 7
Calculate: −27 ÷ (−9)
ChallengeAnswer:
- 8
Calculate: 63 ÷ (−7)
ChallengeAnswer:
- 9
Calculate: 3 ÷ 3
ChallengeAnswer:
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Worksheet code: eyJzIjoibnVtYmVyLWludGVnZXItbXVsdGlwbHktZGl2aWRlIiwiZCI6WzU2ODc2MDA2MSwxMDUzMDk1OTAsMTQ1NjEzNTM5NCwxNzc5MjY4MzYsNjU2OTQwNzkwLDEyNDU3NDEyNjMsMjA3MDQwNjEyMSw0ODY2NjA5NjIsMTA2MDkzMzA0Ml0sInYiOjF9.f9bea4898894
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Answer key · Multiply and divide integers
- 1.-8 — A negative times a negative is positive; unlike signs give a negative. 8 × (−1) = -8.
- 2.-25 — A negative times a negative is positive; unlike signs give a negative. (−5) × 5 = -25.
- 3.-21 — A negative times a negative is positive; unlike signs give a negative. 3 × (−7) = -21.
- 4.144 — A negative times a negative is positive; unlike signs give a negative. 12 × 12 = 144.
- 5.-11 — A negative times a negative is positive; unlike signs give a negative. 11 × (−1) = -11.
- 6.99 — A negative times a negative is positive; unlike signs give a negative. 11 × 9 = 99.
- 7.3 — −27 ÷ (−9) = 3 (unlike signs give a negative quotient).
- 8.-9 — 63 ÷ (−7) = -9 (unlike signs give a negative quotient).
- 9.1 — 3 ÷ 3 = 1 (unlike signs give a negative quotient).