1. 4n + 6 A number increased by six times four A number plus six
The product of four and a number plus six
Four times a number decreased by six

2. 10p - 2 Ten multiplied by a number plus two
A number times two minus ten
Ten groups of a number less than two
Two less than ten times a number

3. n ÷ 4 + 9 The quotient of a number and four sum nine
Nine more than a number
A number divided by thirteen
A number split evenly four times combined with nine

4. 7 ÷ n - 1 A number divided by seven minus one
Seven split evenly n times fewer than one
Seven split evenly n times decreased by one
One minus seven divided by a number