Maggio's Explorations Unit 1

expressions

100

5 less than c

c-5

200

forty more than x

x + 40

300

8 times the sum of 3 and 3

8 (3 + 3)

400

 2 less than the product of 7 and y

7y -  2

500

three more than the quotient of 2 and 5   

2/5  + 3

equations

100

What does b equal? 

2b +  6  =   20

b =  9

200

                   5b -  3   =   22

                   

                   b =  5

300

5 + 3x  = 20

x = 5

400

8y + 3 =  27

y = 3

500

2r + 2r  = 16

r = 4

integers

100

+ 9 (- 3)

6

200

-9 + 3 

- 6

300

25 -  15

10

400

-20 +   -12   +    2

-30

500

-27  +  10   -  14 

-31

vocabulary

100

Name the  4 operations in math

addition, subtraction, multiplication and division

200

The inverse operation of multiplication

division

300

what are integers?

positive numbers, negative numbers and 0

400

What is the coefficient?       2b

      2 is the coefficient

(the number in front of the variable)

500

Name the variable?   

5t  + 19.99 =  $100.00

       

                      t

decimals

100

.50 + .12

.62

200

.702   +   .333

       1.035

300

8.43 -  6.31

2.12

400

5.2  x   .11   

.572

500

3.00 /  .50   

6