Page 58 - TB_6B
P. 58
2 . Fill in the blanks.
a. 4 6 8 b. 6 12 20
16 24
multiply multiply
4 5
c. d.
divide 12 24 54 divide 48 72 88
3 8
48
3 . Evaluate each expression.
a. 13 6 = 78 b. 40 4 c. 7 14
f. 360 8
d. 228 12 e. 144 9
4 . Use mental math to find the value of the variable.
a. 4 a = 28 b. b 6 = 18 c. 7 c = 49
a=7
d. 35 d = 5 e. e 3 = 8 f. f 9 = 2
21. Positive Signs and Negative Signs 47
a. 4 6 8 b. 6 12 20
16 24
multiply multiply
4 5
c. d.
divide 12 24 54 divide 48 72 88
3 8
48
3 . Evaluate each expression.
a. 13 6 = 78 b. 40 4 c. 7 14
f. 360 8
d. 228 12 e. 144 9
4 . Use mental math to find the value of the variable.
a. 4 a = 28 b. b 6 = 18 c. 7 c = 49
a=7
d. 35 d = 5 e. e 3 = 8 f. f 9 = 2
21. Positive Signs and Negative Signs 47
