Adaptation of: Why did the cow keep jumping over the barrel? Reading and Writing Algebraic Expressions MCC6.EE.2
Set A
3 times a number
3𝑥
3 more than a number
𝑥 + 3
3 decreased by a number
3 – 𝑥
3 less than a number
𝑥 – 3
one third of a number
1 3 𝑥 or 𝑥 3
8 more than 3 times a number
3𝑥 + 8
8 less than 3 times a number
3𝑥 – 8
Set B
7 less than 4 times a number
4𝑥 – 7
7 decreased by 4 times a number
7 – 4𝑥
9 less than twice a number
2𝑥 – 9
9 decreased by twice a number
9 – 2𝑥
9 less than half a number
𝑥 2 – 9
7 times a number, increased by 4
7𝑥 + 4
7 times a number, increased by 4 times the number
7𝑥 + 4𝑥
Set C
5 times a number, increased by 8
5𝑥 + 8
5 times the sum of a number and 8
5(𝑥 + 8)
5 more than 8 times a number
8𝑥 + 5
8 times the sum of a number and 5
8(𝑥 + 5)
Twice the sum of 5 times a number and 8
2(5𝑥 + 8)
2 more than 5 eighths of a number
5 8 𝑥 + 2
8 times the sum of twice a number and 5
8(2𝑥 + 5)
Set D
9 meters higher than altitude x
𝑥 + 9
15 meters per second slower than speed x
𝑥 – 15
15°C hotter than temperature x
𝑥 + 15
9 meters shorter than twice length x
2𝑥 – 9
9 years older than twice age x
2𝑥 + 9
$9 cheaper than 4 times price x
4𝑥 – 9
9 centimeters less than three fourths of length x
3 4 𝑥 – 9