Solving Equations
5c+3=18
What is
c=3
The Names of all the Properties of Equality
What are
1. The Addition Property of Equality
2. The Subtraction Property of Equality
3. The Multiplication Property of Equality
4. The Division Property of Equality
An equation that could represent the following situation:
331 students went on a field trip. Six buses were filled and 7 students traveled in cars. How many students were in each bus?
What is 6x+7=331 ?
y/3+5=14
What is y = 3?
The properties of equality do you need to use in order to solve the equation 6m-4=-34
What are
1. The Addition Property of Equality, and
2. The Division Property of Equality
An equation that could represent the situation below:
Maria bought seven boxes to add to her box collection. A week later she gave half of her boxes to her adorable four-year-old twin cousins to start their box collections. She now has only 22 boxes left. With how many did she start?
What is (x+7)/2=22 ?
12 = (4-a)/2
What is a=-20?
The property that states that
a(b+c)=ab+ac
What is the Distributive Property?
An equation that could represent the following situation:
Sumalee won 40 super bouncy balls playing horseshoes at her school's game night. Later she gave two to each of her friends. She had 8 left for herself. How many friends does she have?
What is 2x+8=40
3(3m-2)=2(3m+3)
What is m=4?
The properties that you would need in order to solve the equation 2(r+6)=4(r+4)
What are
1. The Distributive Property
2. The Subtraction Property of Equality, and
3. The Division Property of Equality
How old am I if 400 reduced by 2 times my age is 244?
What is 400 - 2x = 244 ?
6(3a+1)-30=3(2a-4)
What is a=1?
Any properties you COULD use to solve the equation (5*(2x+1))/10=-6
The Distributive Property
The Multiplication Property of Equality
The Subtraction Property of Equality
The Division Property of Equality
Janelle plans to make pillows and sell them on Etsy for $23 each. She already bought a sewing machine for $150. Additionally, for each pillow, she will need to spend $12 on materials and $5 on shipping. How many pillows does she need to sell in order to break even?
What is 23p = 150 + 12p + 5p (or equivalent equation)?