Translating Sentences to Mathematical Expressions

10 increased by a number

• 10>x

• 10=x

• 10+x

• x>10

five more than twice a number

• 5+2n

• 5n+2

• 5>2n

• 5n>2

the product of a number and 9

• y=9

• y-9

• 9+y

• 9y

3 times a number decreased by 15

• 15-3x

• 3x<15

• 15<3x

• 3x-15

fifteen less than twice a number

• 2x-15

• 15-2x

• 15+2x

• 2x+15

three times a number, increased by seventeen

• 3(a+17)

• 3a(17)

• 3a+17

• (17+3)a

the product of nine and a number, decreased by six

• 9m-6

• 6-9m

• 9(m-6)

• 6(9-m)

thirty-two divided by a number y

• y÷(32y)

• 32y

• y÷32

• 32÷y

five times the sum of b and 2

• 5b+2

• 5(b+2)

• 2(b+5)

• 2+5b

seven times the difference of k

number and 4

• 7(k-4)

• 7(4-k)

• 7k-4

• 4(7-k)