Write the expression that means "4 squared."
Then simplify your expression
42
=4 x 4
=16
How many terms are in the following expression? 2n + 5 + 3m
3 terms
An algebraic expression that means the sum of a number and 8
n + 8
An equivalent expression for n + n + n
3n
Evaluate each expression for b = 3. Decide whether the expressions are the SAME or DIFFERENT. b + b + b + b 4b
b + b + b + b 4b
= 3 + 3 + 3 + 3 = 4 x 3
= 12 = 12
SAME
Write the expression that means "5 cubed."
Then simplify your expression.
53
=5 x 5 x 5
= 125
Which number is called a coefficient in the following expression? 2n + 5
The coefficient is 2.
An algebraic expression that means the product of x and 4
4x
An equivalent expression for n x n x n
n3
Evaluate each expression for b = 4. Decide whether the expressions are the same or different. 2b b2
2b b2
= 2(4) = 42
= 8 = 16
DIFFERENT
Simplify 34
= 3 x 3 x 3 x 3
= 81
Fill in the blanks.
1) Sum means ______________.
2) Product means ____________.
1) Sum means add.
2) Product means multiply.
An algebraic expression that means 5 taken away from three times a number
3x - 5
Use the distributive property to write an equivalent expression for 3 (n + 5)
3n + (3 x 5) OR
3n + 15
Same or different? Evaluate each expression for b = 5. 2b + 16 2(b+8)
2b + 16 2(b+8)
= 2(5) + 16 = 2(5 + 8)
= 26 =26 SAME
Simplify 25
2 x 2 x 2 x 2 x 2
= 32
A constant term has no ______________.
Variables
An algebraic expression that means 6 less than n
n - 6
Use the distributive property to write an equivalent expression for: 5 (4n + 7)
(5 x 4n) + 5 x 7 OR 5 x 4n + 35 OR 20n + 35
Same or different? Evaluate each expression for b = 6.
3b + 4 + 2b + 1 5(b + 1)
3b + 4 + 2b + 1 5(b + 1)
=5b + 5
=5(6) + 5 = 5(6 + 1)
= 30 + 5 = 35 = 30 + 5 = 35 SAME
Write 2 different expressions (baseexponent)
that have a value of 64.
Possible answers:
641 82 43 26
You can only use cross cancelling to simplify when _________________ fractions.
MULTIPLYING
An algebraic expression that means 5 times the sum of 4 and r
5 (r + 4)
Use the GCF and the reverse of the distributive property (factors) to write an equivalent expression for: 20r + 18
2 (10r + 9)
Same or different? Evaluate each expression for b = 8. 3b2 (3b2)
DIFFERENT
3b2 (3b2)
=3 x 82 = (3 x 8)2
=192 =576