Write an expression for the phrase 23 decreased by x.
23 - x
100
Like terms are terms with the same _______________ raised to the same ________________. If like terms are in an expression, you can _____ and subtract their coefficients.
variables, exponent/power, add
200
(50 + 6 x 3) - 20 x 2
28
200
Which property is shown? 4(17) = 4(10 + 7)
Distributive
200
An algebraic expression is an expression with at least one ________________.
variable
200
Write an expression for the phrase 'the product of 8 and a number'
8n (variable doesn't matter)
200
Simplify the expression: 14a + 5 + 6a + 10
20a + 15
300
In what order must operations be solved?
addition, subtraction, exponents, parentheses, multiplication, division?
(), exponents, times and divide left to right, + and - left to right
300
Which property is shown? 5 x 7 = 7 x 5
Commutative
300
Evaluate 0.5r + 20r for r = 10
5 + 200 = 205
300
Write an expression for the phrase '25 less than h'
h - 25
300
Simplify the expression: 3x + 18y - x + 4y
2x + 22y
400
Insert parentheses to make the expression true. 4 x 2 + 6 = 32
4 x (2+6) = 4 x 8 = 32
400
Use the associative property to solve the expression mentally. (55 + 17) + 3
55 + (17 + 3) = 75
400
A book contains 300 pages. Write an expression for how many days it will take someone to read the book if they read p pages a day. Part 2) If they read 30 pages a day, how many days would it take them to finish the book?
300/p, 10 days
400
Write an expression for the phrase '6 times the difference of y and 14'
6(y - 14)
400
Simplify the expression: 5(x + 3) + 2x + 7
5x + 15 + 2x + 7 = 7x + 22
500
[5 x (9 - 6 + 3) - 8] x 4
[5 x 6 - 8] x 4 = 22 x 4 = 88
500
Use the commutative property to solve the expression mentally. 25 x 18 x 10 x 4
25 x 4 = 100. 100 x 10 = 1,000. 18 x 1,000 = 18,000
500
It takes a factory 47 minutes to produce an iPhone 6. Write an expression to describe how many minutes it takes to produce i iPhones. How many minutes would it take to produce 10 iPhones?
47i, 470 minutes
500
Hank has f Facebook friends. Carl has f + 10 Facebook friends. Discuss three different ways of stating in words the number of Facebook friends Carl has.
10 more than Hank, Hank's amount increased by 10, Hank's amount plus 10, add 10 to Hank's friend total, the sum of Hank's friend total and 10.