: Decimal Operations (6.NS.B.3)
12.45 + 3.6
16.05
Write an expression for “add 8 and 7, then multiply by 2.”
2 × (8 + 7)
What is the sum in 7 + 3x?
7 + 3x
Simplify: 3(x + 2).
3x + 6
Solve: x + 5 = 12.
x=7
45.8 – 12.34
33.46
Write an expression for “subtract 5 from a number n.”
n-5
Evaluate 5x – 2 when x = 6.
28
Combine like terms: 4x + 3x + 5.
7x + 5
Solve: 3x = 18.
x=6
3.2 × 4.5
14.4
Identify the coefficient in 6x + 4.
6
What is the quotient in 12 ÷ x + 5?
12
Rewrite using distributive property: 2(5 + y).
10 + 2y
Which value makes 2x + 3 = 11 true: x = 3 or x = 4?
x=4
56.7 ÷ 3
18.9
Write an expression for “triple a number and add 10.”
3n+10
In 4 × y + 2, what is the product?
4xy
Simplify: 6a + 4a – 3.
10a-3
Write an equation: A number divided by 4 equals 7.
x ÷ 4 = 7
A store sells 3.75 lbs of apples at $2.49 per pound. What is the total cost?
$9.34
Evaluate 2(x + 3) when x = 14.
31
theme park ticket costs $2 more than triple the number of rides (x). Write and evaluate the expression when x = 4.
3x + 2 → 14
Rewrite: 3(2x + 4) + x. Hint: Use distributive property
6x + 12 + x = 7x + 12
Solve: 2x + 5 = 17.
x=6