Basic Letters Represent Numbers Algebra

When a number and a variable are stuck together with no symbols, you should ____________.

• add them

• subtract them

• multiply them

• put them into a salad

If j = 4, what is 8j?

• 84

• 12

• 2

• 32

18 + f = 30

f = ?

• 12

• 10

• 48

• 22

g - 14 = 50

• 36

• 64

• 74

• 26

Solve for x.

• x = 21

• x = 17

• x = 20

• x = 18

r + 16 = 5r

What is the value of r?

• 2

• 4

• 6

• 8

Which of the following is NOT a true statement about Algebra?

• Algebra is a very important aspect of Mathematics

• Algebra is only used at school.

• Algebra is used in proofs.

• Algebra sometimes uses letters and symbols to represent numbers.

Given the expression 2y + 4, what will be the value if y = 3

• 7

• 8

• 9

• 10

The expression 7q is the same thing as

• 7 + q

• 7 x q

• 7 - q

If b= 5 then 3b + 4 is

• Answer not stated

• 5

• 3b4

• 19