Date: _____________________ Name: _________________________ Parent Signature: ________________________ Math Test #1 To receive full marks, make sure you are including units, formulas, and all of your rough work. 1. Write the number 928,004.017 in words. (2 marks) ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 2. Round the following decimals to the indicated place value. (3 marks) a. Round 19.998 to the nearest hundredth ________________________ b. Round 103.43 to the nearest hundred ________________________ c. Round 10.4589 to the nearest tenth ________________________ 3. Complete the following conversions. (4 marks) a. 1.45 m = ___________cm b. 0.98km = ________________mm c. 18.02kg = ___________grams d. 7m = ________________mm 4. Complete the following. (8 marks) a. (−81) ÷ (−3) = b. (+12) × (−6) = c. (−8) + (+2) = d. (+15) − (−4) = e. (−1) − (+7) = f. (−4) + (−6) − (+5) = g. (−38) ÷ (+19) = h. (+18) − (−8) + (−12) − (+2) = 5. Complete the following operations. d. 25 48 (10 marks) 3 1 1 3 b. 12.37 × 1.9 = b. 5 4 ÷ 2 3 = c. 28.048 ÷ 0.2 = d. 3 2 − 2 4 = 16 36 9 × 30 × 40 × 24 = 6. If x = -3 and y = 4, then what are the following equal to? a. 𝑦 2 − 𝑥 (6 marks) b. 𝑥 2 𝑦 c. 2 − 4(5𝑥 + 2𝑦) 7. Solve the following. a. (4 − 9)2 + (13 × 8 − 52 ) = (6 marks) (12−90 )+1 b. 30−(32 ×2) = 8. Estimate the following: a. √33 = (4 marks) b. √53 = 9. Solve the following: a. 131 = (7 marks) b. 9−2 = 4 c. √16 = d. 70 = e. 5√49 = f. √25 = 16 g. √0.0016 10. Simplify the following. Your final answer should be written with positive exponents only. (8 marks) a. 5√36 − 2√36 + 7√36 + √36 = b. 5√9 + √64 − 3√9 + 8√64 − √64 = c. 43 ×4−5 47 = d. (𝑦 4 ) 𝑦9 3 = 11. Calculate √1024 (4 marks) 12. Complete the following table. (6 marks) Percent Decimal Fraction (in lowest terms) 2 3 225% 0.08 13. The cost of a book went from $24 to $21. What is the percent change? (4 marks) Word Problems: Write your final answer in a complete sentence. 14. Jessica bought a car for 45% of the original price. If Jessica paid $12,500 for her car, what was the original price? (4 marks) 15. A $250 chair is on sale for 40% off. What is the cost of the chair when it is on sale including 13% tax? (5 marks) Bonus: (2 marks) The price of a local newspaper went up from $0.50 to $0.65. If the price of milk, increased by the same percentage, what would be the new price of milk which previously had a cost of $3.20?