This type of math problem as no equal sign.
Expression
What is the value for x in Tape Diagram A?
What is the value for x in Tape Diagram B?
No calc.
Solve for x:
2x + 1 = 5
No calc.
x = 2
Lin made goody bags for their 5 friends. Each bag had x amount of dollars. Lin added 3 more dollars to each bag. Lin had a total of 45$.
Write an equation to represent the story.
5(x + 3) = 40
Jada jogged at a constant speed. After 2.5 hours, she ran 3 miles. How many miles did Jada run in 1 hour?
Calculator is ok.
1.2 miles
This type of math problem has an equal sign.
Equation
Draw a tape diagram and solve:
Wendy went to the store. She bought 3 boxes of cereal each weighing the same. If she spent $12 in total, how much was each box of cereal?
No Calc.
x = 4
Solve for x:
3x - 4 = 11
No calculator
x = 5
The skating rink charges each student $5 to enter plus a fee for skates. Today, $127 was collected for the 9 attendees. Write an equation that represents the story.
9(x+5)= 127
What is 50% of 130?
No Calc.
65
Another word for the letters used in expressions and equations.
Variable
Draw a tape diagram and solve:
Charlie went on a hike. The total trail was 12 miles long. If he stopped to take a break after 5 miles, how many miles (m) does he have left?
No Calc.
m = 7
Solve for x.
2(x + 5) = 30
No Calc.
x = 10
Maya had 70 flyers to hang up around the school. She gave 7 flyers to each of four volunteers. Then she took the remaining flyers and divided them up equally between the four volunteers.
4(x+7) = 70
A bake sell sold 1 1/2 dozens cookies in 1/3 hours. How many dozens of cookies did they sell in 1 full hour?
Calculator is ok.
4.5
The number in front of the variable is called ________
Coefficient
Write an equation and solve. No calculator.
x = 32
Solve for y.
3(y - 2) = 12
No calculator
y = 6
A school ordered 3 large boxes of board markers. After giving 15 markers to each of 3 teachers, there were 90 markers left. The diagram represents the situation. How many markers were originally in each box?
45
What is the area of a circle if the the diameter is 10?
Calc is ok.
78.5
What type of math uses numbers and symbols to formulate expressions and equations?
Algebra
Write an equation for the tape diagrams and solve.
Calculator active
x = 22
x = 14
Solve for x.
120 = 10x - 10
No Calc.
x = 13
Ms. Prado gave a quiz in class today. Each student received the same amount of questions. To be petty she gave two students 2 extra questions each. In total she gave out 54 questions amongst 10 students. Write an equation that represents the story.
10x + 4 = 54
Molly went to the Nike store and saw they were having a 20% off sale! She picked up some shoes she liked very much. The original price was $89.99. How much would she pay after the sale?
$71.99 or 72$