1. (a) ‒2,172 ÷ 12 = -181
(b) 1,470 × 16 = 23,520
(c) 23,979 + 18,543 + 2,356 = 44,878
(d) 15.412 ‒ 29.58 = 14.168
(e) 7/8 + 4/5 + 1/2 = 2 7/40
(g) 0.875 × 1.5 = 6/7
(h) 15 ÷ 0.25 = 1.3125
(i) 6 to the power of 4 = 1296
2. Paul ordered 70 balloons and received 49 blue balloons and the rest red.
(a) What percentage were red and what percentage were blue? = 21
(b) What is the ratio of red to blue balloons? = 3:7
(c) If 70 balloons cost $14, how much will 100 balloons cost? Set the
problem up as a proportion and solve the proportion. = 20$
(d) If 70 balloons cost $14, what is the price in balloons per dollar? How many dollars per balloon? = 0.20$
3. Convert 3 days to minutes, using the correct conversion factors. = 4320
4. Add 1 gallon, 2 quarts, 1 pint, 1 cup to 2 gallons, 3 quarts, 2 cups. = 4 gal 2 qt 1 cup
5. Write 0.000031 in scientific notation. = 3.1
6. Write 15,600,000 in scientific notation. = 1.56
7. Reduce 3/8 to a decimal. = 0.375
8. Find the prime factors of 96. = 2x2x2x2x2x3
9. Solve the following equation: 15 ‒ 4x = ‒1 = x = 4
10. Dave wants to hike 84 miles in 6 days. Write a distance rate time equation for his trip and then solve the equation to find what Dave’s average rate of speed must be. = 14 miles a day
Lesson Learning 