7th Grade Math Review Challenge

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Quick mixed math topics

destiny.robinson@marionstudents.net

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7th Grade Math Review Challenge


7th Grade Math Review ChallengeVersión en línea Quick mixed math topics por destiny.robinson@marionstudents.net 1 What is the sum of 3/4 and 2/5? a 5/4 b 11/20 c 23/25 d 23/20 2 Convert 0.75 to a fraction. a 3/4 b 7/9 c 2/3 d 1/2 3 Solve for x: 3x + 5 = 20. a 15 b -5 c 0 d 5 4 Which is the least common multiple of 4 and 6? a 6 b 12 c 24 d 8 5 What is 40% of 50? a 20 b 15 c 10 d 25 6 A triangle has base 8 and height 5. What is its area? a 40 b 18 c 20 d 13 7 Simplify: 7/8 ÷ 1/4. a 14/8 b 7/2 c 7/8 d 2 8 Order of operations: 2 + 3 × 4 = ? a 18 b 10 c 14 d 20 9 Two numbers are in ratio 3:5 and sum 16. What are the numbers? a 8 and 8 b 3 and 13 c 5 and 11 d 6 and 10 10 Slope of a horizontal line? a 1 b -1 c 0 d undefined Feedback 1 3/4 + 2/5 = (15+8)/20 = 23/20. 2 0.75 = 75/100 = 3/4 after simplification. 3 Subtract 5: 3x=15, x=5. 4 LCM is the smallest multiple common to both. 5 40% of 50 = 0.4 × 50 = 20. 6 Area = 1/2 × base × height = 1/2 × 8 × 5 = 20. 7 Divide by 1/4 is multiply by 4: (7/8)×4 = 28/8 = 7/2. 8 Multiply before add: 2 + (3×4) = 2 + 12 = 14. 9 3k + 5k = 16 → k=2 → 6 and 10. 10 Horizontal lines have slope 0.