quantity that can change and is represented with a letter

Duplicate of Using Variables to Write Expressions Flashcards

1

What is an algebraic expression?

an answer to an addition problem
an answer to a division problem
mathematical phrase that has one variable and one operation
a quantity that is represented with a letter

2

a apples divided by 8

8a
8 - a
8 ÷ a
a ÷ 8

3

twelve pencils decreased by a number n

n - 12
12 - n
12 + n
12n

4

5 times a number b

5 + b
5 - b
b - 5
5b

5

Multiplication problems can be written like 5 x r and 5r.

False
True

6

Which expression shows a quantity of rolls, r, added to 8 bagels?

8 + r
8 ÷ r
8r
r - 8

7

What is a variable?

the answer to a subtraction problem
a mathematical phrase that uses operations and letters
the answer to a multiplication problem
quantity that can change and is represented with a letter

8

three dollars more than the cost of c

c-3
3 + c
c3
c + 3

9

a number j divided by 3

3j
j ÷ 3
3 ÷ j
3 x j

10

7 less than a number d

7d
7 + d
7 - d
d - 7

11

w lunches at $7 each

7-w
7 + w
7w
7 ÷ w

12

the sum of 9 and a number x

9÷x
9x
9 + x
9 - x

13

a number i added to 50

50 ÷ i
50i
50 + i
50 - i

14

three less than two times an amount x

3x -2
3 - 2 - x
32 -x
2x - 3

15

6 times a distance d

6 - d
d + 6
6d
d ÷ 6

Duplicate of Using Variables to Write Expressions

Questions 15

Duplicate of Using Variables to Write Expressions

Questions 15