PREPARED BY KHALID JAVED QADIR MATHEMATICS TEACHER IES Page 1 of 5

ISLAMIYA ENGLISH SCHOOL ABU DHABI U.A.E. DATE: 24 .9.2017(HW-1) Grade-7F Topic:Working with numbers(Ch.1)

PREPARED BY KHALID JAVED QADIR MATHEMATICS TEACHER IES Page 2 of 5

PREPARED BY KHALID JAVED QADIR MATHEMATICS TEACHER IES Page 3 of 5

Find the value of

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Write as a single expression in index form

1) 32 × 34 × 35 =

2) 44 × 43 ÷ 45 =

3) 𝑐2 × 𝑐4 ÷ 𝑐5 =

4) 53 ÷ 57 × 52 =

5) 𝑏2 × 𝑏4 × 𝑏5 =

6) 7𝑎 × 7𝑏 × 7𝑐 =

7) 7𝑎 × 7𝑏 ÷ 7𝑐 =

PREPARED BY KHALID JAVED QADIR MATHEMATICS TEACHER IES Page 5 of 5

Simplify

b) 𝑎4×𝑎3

𝑎7 =

c) 𝑎4×𝑎3

𝑎9 =

d) 𝑡9

𝑡2×𝑡5 =

e) 𝑥4×𝑥5

𝑥6×𝑥=

f) 𝑎5×𝑏7

𝑎2×𝑏5 =

g) 𝑎5×𝑎7

𝑏2×𝑏5 =

h) 79

74×75 =