Grade 8 - Mathematics Algebraic Expressions 2 Activity

Grade 8 - Mathematics Algebraic Expressions 2

Activity

A. Convert the following word statements into algebraic expressions:

1. Six times a number increased by two times a different number. _________________________________________________

2. Three divided by a number added to eight times a different number. _________________________________________________

3. Nine times a number subtracted from another number. _________________________________________________

B. Identify the parts of the expression: 3 + 42- 5

1. In the term 42 , what do we call the 2? ______________________ 2. What part of the expression is the 3? ______________________ 3. What part of the expression is the 5? ______________________ 4. What part of the expression is the ? ______________________

C. Simplify the following algebraic expressions: 1. 6 + 2 + 3 __________________________________________________

2. 8 + 8 - 3 + 2 __________________________________________________

3. x x __________________________________________________

4. 23 + 63 __________________________________________________

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D. Evaluate the following expressions:

1. 6 + 3y

( = 2; = 3)

______________________

______________________

______________________

2. 4 ? 6 + 2

( = 3; = 5)

______________________

______________________

______________________

______________________

3. 522

( = 4; = 2)

______________________

______________________

______________________

______________________

4. 3 ? 2

( = 3; = 1)

______________________

______________________

______________________

______________________

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