47 + (-36)
11
5/6 - 9/10 = ?
-1/15
2/3 x 6/8 = ?
1/2
9/3
3
Robert, Brenna, and Christian got different answers for this problem: (-40) -2[(-8)/ 2] Robert’s answer was –32, Christian’s answer was –48, and Brenna’s answer was 168. Who was correct?
-32 Robert
1/2 + 3/8 = ?
7/8
-67 - (-8)
-59
7 x 12
84
11/16 divided by 1/4 = ?
2 3/4
The sum of two fractions is 7/12. The product of the same two fractions is 1/12. What are the two fractions?
1/3 and 1/4
17 + 89
106
4/5 - 7/8 = ?
-3/40
4/9 x 2/5 = ?
8/45
24/4
6
The swim team practices 2 3/4 h per week during the school year. During the summer, the weekly practice time is increased to 2 1/3 times the school-year practice time. How many hours per week does the team practice during the summer?
6 5/12 hours or 6 hours and 25 minutes every week.
10/21 + 3/7 = ?
19/21
89 - 72
17
-8 x 7
-56
8/9 divided by 7/2 = ?
16/63
Keisha had $405 in her bank account. In one month, she made 4 withdrawals of $45 each. What is the balance in her account? Write an integer expression to represent this problem. Solve the problem. How did you decide which operations to use?
405 - (45x3) = 270
-56 + 179
123
84 - (-34)
118
-6 x - 13
78
112/8
14
A restaurant in Richmond, BC, lists the prices on its menu in fractions of a dollar. Three friends have lunch at the restaurant. Each of the 3 friends orders a veggie mushroom cheddar burger for 11 3/4, with a glass of water to drink. What was the total bill before taxes, in fractions of a dollar and in dollars and cents?