Show:
Expressions
Ratios
Solve for x
Enlarge/Reduce
100
What is the definition of an expression?
A number sentence without an equal sign
100
In a box there are: 4 teddy bears, 3 stuffed frogs, 5 toy dinosaurs and 7 dolls. What is the ratio of teddy bears to frogs
4 teddy bears to 3 frogs
100
What is the word for a number we don't know
variable
100
What does enlarge mean? What does reduce mean?
Enlarge means to make bigger Reduce means to make smaller
200
Simplify: 3x+2X+3-4+y
5x-1+y
200
In a box there are: 4 teddy bears, 3 stuffed frogs, 5 toy dinosaurs and 7 dolls. What is the ratio of teddy bears to all toys?
4 bears to 19 toys
200
3x=12
x=12/3 x=4
200
A right triangle has a base of 3 and a height of 9. Make a similar triangle that is 4 times as big.
base=12 height=36
300
Simplify 10X-7y-7x+3x+7-9
6x-7y-2
300
In a box there are: 4 teddy bears, 3 stuffed frogs, 5 toy dinosaurs and 7 dolls. What is the percentage of dinosaurs?
5 dinosaurs to 19 toys 5/19=.26 26%
300
2+3x=21
3x=19 x=19/3 x=6.3
300
A right triangle has a base of 3 and a height of 9. Make a similar triangle that 50%.
50% of 3= .5x3 base=1.5 50% of 9= .5x9 height= 4.5
400
Greenie hopped 3 to the right, 2 to the right, one hip hop to the right, 4 to the right and another hip hop to the right and landed on 20. Write an expression to fit this scenario.
3+2+h+4+h
400
In a box there are: 4 teddy bears, 3 stuffed frogs, 5 toy dinosaurs and 7 dolls. What is the percentage of dolls?
7dolls to 19 toys 7/19=.37 37%
400
6x+2-1=30
6x+1=30 6x=29 x=29/6 x=4.8
400
A right triangle has a base of 3 and a height of 9. Make a similar triangle that 200%
200% of 3 2x3=6 base is 6 200% of 9 2x9=18 height is 18
500
Greenie hopped 3 to the right, 2 to the right, one hip hop to the right, 4 to the right and another hip hop to the right and landed on 20. Write an equation to fit this scenario and then solve for a hip hop jump
3+2+h+4+h=20 9+2h=20 2h=11 h=11/2 h=5.5
500
A right triangle has a base of 3 and a height of 9. Make a similar triangle that 1000%
1000% of 3 10x3=30 base is 30 1000% of 9 10x9=90 height is 90