Fractions
When writing a fraction, the number on the top is called what?
The numerator.
Which axis is horizontal on a graph?
X - Axis
All Team Bonus: What is the other axis on a graph?
What is our conversions acronym?
King Henry Died By Drinking Chocolate Milk
What is a polygon?
A 2-d shape with straight sides that is fully closed.
What makes an equation different from an expression?
Equal Sign
When multiplying fractions, what numbers do you multiply by?
Multiply top by top and bottom by bottom.
When given a point such as (5, 9), which number is the y - coordinate?
9
When converting from a big unit to a smaller unit, like meters to millimeters, do we multiply or divide? Which way does the decimal place move?
Multiply. It moves to the right.
All Teams Bonus: Give an example of this on your whiteboard!
What is a 3-D shape called?
A prism
If I am asked for the difference, what operation should I use?
Subtraction
What is 3/4 + 5/8 as a mixed number?
3/4 = 6/8 + 5/8 = 11/8 = 1 and 3/8
Reading a graph properly is important. Let's practice stating coordinates of points. Ask for your copy of picture number 1.
Point 1: (2, 6) Point 2: (3, 4) Point 3: (4, 3) Point 4: (6, 2)
Convert. 5 meters to kilometers
5.0: move decimal 3 times = .005
Rectangle - yes
Trapezoid - no
Solve the following equation:
6 + 4 * 8 = ?
4*8 = 32
6 + 32 = 38
All Team Bonus: What does GEMS stand for? Write it on your whiteboard and don't reveal until you're asked to!
If Mary grows a plant to be 7/8 inches tall and Dawn grows a plant 3 times that size, how tall is Dawn's plant as a fraction?
7/8 * 3/1 = 21/8 inches
All Team Bonus: What is 21/8 as a mixed number?
On your picture, which point is 5 units away from point 1?
Point 3
How many cups are in a gallon?
16 cups = 1 gallon
Acute, Right, Obtuse
I am 6 years old. My sister is twice my age now. When I am 10 years old, how old will my sister be?
16 years old
When dividing fractions, what should we do?
Multiply by the Reciprocal
Let's practice graphing! Ask for your graphing paper. Plot the following points:
A - (-4, 8)
B - (9, 7)
C - (6, -3)
D - (-8, -2)
See answer graph!
Gloria traveled a total of 88 meters to get from school to her apartment. Gloria took the bus from school and then walked the remaining 660 centimeters home.
How many meters did Gloria travel on the bus?
88 meters total: x m on the bus, 660 cm=6.6 m. 88-6.6=81.4 m on the bus
Prefixes are very important when identifying shapes. What is a shape that has 8 sides called?
Octagon
All Team Bonus: Name two other shapes that have important prefixes.
- perimeter - area
And of a Rectangular Prism:
- volume
Perimeter: add up all the sides: l + l + w + w
Area: l * w
Volume: l * w * h