Translate Numerical Expressions
Write a numerical expression for:
“Seven plus five.”
7+5
Write an algebraic expression for:
“Five more than a number x.”
x + 5
Evaluate:
7+5
12
x+7when x=5
12
Maria bought 3 apples for $2 each. Write and evaluate a numerical expression to find the total cost.
3* 2= $6
Translate into words:
12−4
Twelve minus four
Translate into words:
2y−7
Two times a number y minus seven
Evaluate:
18−(6+4)
8
Evaluate 3y-4 when y= 6
14
A number x is increased by 7. Write an expression for this situation and evaluate it when x=10
x+7
10+7 = 17
Write a numerical expression for:
“Three times the sum of four and six.”
3(4+6)
Write an algebraic expression for:
“Twice the sum of a number nnn and three.”
2(n+3)
Evaluate (3*8) / 4
6
Evaluate 2(a+3) when a = 4
14
A movie ticket costs $12. If 4 friends each buy a ticket and share a large popcorn that costs $8, write and evaluate a numerical expression for the total cost.
(4*12)+8
= 56$
Translate into words:
(15÷3)+8
The quotient of fifteen and three, plus eight
Translate into words:
m/4 + 12
A number mmm divided by four, plus twelve
81
(m2-9)/3 when m = 6
9
The perimeter of a rectangle is given by 2l+2w Write an expression and evaluate it when the length l=9 and the width w=5.
= 28units
Write a numerical expression for:
“The square of nine decreased by twice seven.”
92-(2*7)
Write an algebraic expression for:
“The square of a number kkk decreased by three times the same number.”
k2 - 3k
Evaluate:
[(25+15)2] / 5
16
2k2-5k+8 when k=-3
41
A school charges $20 per student for a field trip, plus a one-time bus fee of $150. Write an algebraic expression for the total cost with nnn students, and evaluate it when n=25.
20n+150
=$650