Exponents
Write 6x6x6x6x6 using exponent.
6^5
55/11 + 7x(2+14) =
117
Seven less than twice the number of points scored by David.
Expression: 2x−7
What property is it?
3(m+9) = 3(9+m)
The commutative property of addition
Simplifying the expression.
7x + 5(x +3) +4x + x +2 =
17x +17
What is a power?
Numbers expressed using exponents are called the powers.
9+4^3 x (20-8)/2 + 6 =
399
Three times the sum of a number and 4
3(x+4)
What property is it?
abc=bac
The commutative property of multiplication
Find the product mentally using the distributive property and write down the steps you used.
4 x 5.4=
4x(5 + 0.4)
= 20+1.6
= 21. 6
Find the value of (1/2)^4
1/16
The Molina family went to concert together. They purchased 4 concert tickets for $25 each. 3 T-shirts for $15 each and a poster for $10. Write an expression for the total cost. Then find the total cost.
4X25 + 3x 15 +10 = 155 dollars
The difference between twice a number and three times another number
2x−3y
What property is it?
a x 1 = a
Identity property of multiplication
4(x + y + 1) + 2x + 3y + 11 =
6x + 7y + 15
What is value of 2389^0 ?
1
6÷2+4×3−1=11
(6÷2)+(4×(3−1))=11
Three less than the product of 5 and the square of a number.
5x^2−3
Use the distributive property to rewrite the expression.
4(3x + 5y +2) =
12x + 20y +8
Factoring the expression.
9z + 36y
9(z + 4y)
3^6 x 3^7 = ?
3^13
18+6÷3−2×5=10
18+((6÷3)−(2×5))=10
Half the sum of a number and twice another number.
(x+2y)/2
Use the distributive property to simplify it.
-3(7x - 2y)
-21x + 6y
Factoring the expression.
32x + 56y + 8
8(4x + 7y + 1)