Download Lesson 5 - Coweta County Schools

Notes Over 1.5
Write the phrase as a variable expression. Let x
represent the number.
1. The sum of 1 and a number
add
1 x
switch
2. 4 less than a number
subt
x 4
Notes Over 1.5
Write the phrase as a variable expression. Let x
represent the number.
3. 12 minus a number
12  x
4. A number plus 8
x8
Notes Over 1.5
Write the phrase as a variable expression. Let x
represent the number.
5. A number increased
increased by 6
add
x 6
6. The difference between a number and 10
subtract
x  10
Notes Over 1.5
Write the phrase as a variable expression. Let n
represent the number.
7. The product of 3 and a number
multiply
3n
8. The quotient of a number and 4
divide
fraction
n
4
Notes Over 1.5
Write the phrase as a variable expression. Let n
represent the number.
9. 12 multiplied by a number
12 n
10. One half of a number
mult
1
2
n
11. 9 divided by a number
9
n
Notes Over 1.5
Translate each sentence into mathematical symbols.
Then use mental math to solve your equation. Let x
represent your number.
12. A number plus 6 is 15.
n  6  15
n 9
13. A quotient
quotient of a number and 4 is 7.
divide
n
fraction
7
4
n  28
Notes Over 1.5
Translate each sentence into mathematical symbols.
Then use mental math to solve your equation. Let x
represent your number.
14. A number increased by 8 is 15.
n  8  15
n 7
15. A number multiplied by 3 is 33.
3 n  33
n  11
Notes Over 1.5