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Name |
Class |
5 “ “ |
Date |
Topic
1. Algebraic and Numeric Expressions
1. Calculate the value of each numeric expression.
a. 834÷6
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b. 456 + 44 _________________________________________________________________________________
c. 400 – 220
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2. Identify each of the following as a numeric or algebraic expression.
b. 16 – y
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c. y + 12 _________________________________________________________________________________
d.64 – 15
_____________________________________________________________________________________
3. Write an algebraic expression for each of the following phrases.
a. 6 increased by e _________________________________________________________________________________
b.w decreased by 12 _________________________________________________________________________________
c. three times h _________________________________________________________________________________
d.5 divided by p _________________________________________________________________________________
e. three times k minus twice x _________________________________________________________________________________
f. five more than the product of 2 and x _________________________________________________________________________________
2. Coefficients and Evaluating
(Coefficients and Evaluating)
1. Find the coefficient of the variable in each of these expressions.
a. 5 + 3v _________________________________________________________________________________
b. y – 7 _________________________________________________________________________________
c. 14 – 2r _________________________________________________________________________________
d.10m ______________________________________________________________________________
2. Find the coefficient of the variable in each of these expressions.
a. 6(3 + y) _________________________________________________________________________________
b. 9(x – 3) _________________________________________________________________________________
c. 7(2x + 5) _________________________________________________________________________________
d.8(4 – 3x)
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3. Simplify each expression and write words.
a. 10 + 65+100= ____________________________________________________________________________
b. 72÷8 +200 ________________________________________________________________________________
c. 77 – 11 -112 ________________________________________________________________________________
4. If r = 4, w = 9, y = 12, and z = 1 then evaluate each expression.
a. rz
_____________________________________________________________________________________
b.w + y _________________________________________________________________________________________
c. y – z + _________________________________________________________________________________________
d.yr
_________________________________________________________________________________________
5. A jumbo bag of peanuts contains twice as many peanuts as a regular bag and costs 100 tenge more.
a. The cost of a jumbo bag can be expressed as (r + 100)tenge. Evaluate this expression when r = 50
_________________________________________________________________________________________
_________________________________________________________________________________________
b. Write an algebraic expression for the number of peanuts in a jumbo bag in terms of n, the number of peanuts in a regular bag.
_________________________________________________________________________________________
c. If there are 45 peanuts in a regular bag, how many peanuts are there in a jumbo bag?
_________________________________________________________________________________________
_________________________________________________________________________________________
d.The cost of each peanut in a regular bag can be expressed as $(r ÷ n).
Write an algebraic expression for the cost of each peanut in a jumbo bag.
_________________________________________________________________________________________
6. Match the equations to their answers. Write the letter of the answer that matches
the equations.
_______ 1. ( 9 + 2 ) * ( 7 + 3 ) a. 25
_______ 2. ( 94 ÷ 2 ) – 23 b. 435
_______ 3. ( 2 + 4+ 9 ) – 8 c. 110
_______ 4. ( 74 ÷ 2 ) – ( 6 * 2 ) d. 7
_______ 5. [(90 – 10] * 5 ) + ( 15 + 20 ) e. 24