1. Add:
a) (+61) + (-23)
b) (-22) + (-19)
c) (-86) + (-52)
d) (+55) + (-12)
b) (40) - (+16)
c) (-16) - (+35)
d) (+6) - (+17)
2. Subtract:
a) (20) - (-49)
3. Multiply:
a) (-13) X (+5)
b) (-14) X (-12)
c) (+16) X (+5)
d) (-13) X (+7)
b) (+65) ÷ (+5)
c) (-63) ÷ (-4)
d) (+16) ÷ (+4)
4. Divide:
a) (-108) ÷ (+9)
5. Solve using order of operations:
a) 5 X 4 - 6 + 2
b) 2 -6/2
2
c) (9 - 2) + (7+1)
2
d) (6 - 2 + 10)2/2
6. What does the acronym “BEDMAS” stand for?
7. Find the circumference of a circle with a diameter of 14.3m.
8. Find the circumference of a circle with a radius of 5.5m.
9. Calculate the circumference for each circle:
a) diameter of 10.25m.
b) radius of 21.9 m
10. What does the mathematical symbol pi (‫ )۽‬equate to?
11. Solve:
a) x + 22 = 26
b) x – 41 = 55
12. Solve through substitution:
a) x + 7 (sub +11)
b) 9x + 2 (sub -13)
c) 2x – 1 (sub -5)
d) -3x (sub -9)
c) 7x = 56
13. Collect like terms:
a) 4x – 2 = x + 4
b) 8x - 11 = -4x + 25
c) 9x - 4 = 3x + 32
d) 14x - 2 = 8 + 9x
14. Use the distributive property and then collect like terms:
a) -3(x + 8) = 18
b) 4(x + 1) = -2(x – 14)
c) -3(2x + 8 - 2)
d) 2(2x +3) = 30
e) 14(x2 - 5)
15. What is the likelihood of rolling two 4s on two 6-sided dice? (Diagram your answer.)
16. Calculate the square root of each:
a)
b)
c)
d)
e)
25
36
49
125
169
17. Use the Pythagorean Theorem to solve for the missing side of each triangle:
a) A: 5m, B: 9m, C : ___
b) A: ___, B: 9m, C: 13m
18. If the mast of a sailboat’s sail is 6 m tall, and the boom (bottom) is 6 m long, what is
the distance from the top of the mast to the tip of the boom?
19. Solve for the missing side: