6th Grade Expressions
2x where x is 5
10
What does LCM stand for?
Least Common Multiple
Carl does 25 sit-ups 3 times per week. How many sit-ups does he do in one week?
75
Evaluate 3n + 4 when n = 3
13
What does "PEMDAS" stand for?
Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction
6 + x where x is 10
16
three less than a number d
d-3
Nana's brother is 3 feet tall. Jim's brother is double that height. How tall is Jim's brother?
6 feet tall.
8x + 4 when x = 5
44
What is 55?
3,125
50/x where x is 2
25
What does GCF stand for?
Greatest Common Factor
Chloe is babysitting her little sister. She makes $11 per hour and works 3 hours. How much $ does she make?
$33
How would you simplify the expression below?
2(x + 6)
2x+12
When you divide fractions, what is the phrase/rule we use?
Keep, Change, Flip!
20 -x where x is 19
1
Simplify the expression.
3x + 5x -30
8x-30
Ji has 40 stickers. She gives some stickers to friends. She has 12 stickers left. How many stickers did she give away?
28 stickers
Solve for a.
4a + 15 = 31
a = 4
When calculating exponents on the calculator, what is this ^ called?
Carrot
99 + x +12 where x is 77
188
Simply the expression
3x + 5 +1 - 2x + 1x
2x + 6
James withdrew $80 from his bank account. He now has $30.00 in his account. How much did he have to start with?
$110
43 + 32 = ?
73
What is the difference between an expression and an equation?
An equation has an equal sign.