Fractions
The number above the fraction bar is called the ____.
numerator
The "." in a decimal number is called a ______.
decimal point
What does "GEMS" stand for?
Groupings
Exponents
Multiply/Divide
Subtract/Add
Divide 25/5
5
Measures the distance around a 2D shape.
Perimeter
The number below the fraction bar is called the _____.
denominator
True or false: When you multiply by a whole number by a decimal, the original number gets bigger.
False
What should we do first if we are following the order of operations?
10 / 2 + (3+5)
Add 3 + 5
Multiply:
10 x 12
120
A backyard has a length of 10 feet and a width of 8 feet. What is the perimeter around the yard?
10 + 10 + 8 + 8= 36 feet
Add 2/5 + 1/5
3/5
True or False: When you divide a whole number by a fraction, the original number gets bigger.
True
What should we do first if we are following the order of operations?
5 + (10 x 2) - 3
Multiply 10 x 2
Divide 50/5
10
A piece of paper has a length of 10 inches and a width of 8 inches. What is the area of the paper?
80 inches squared
True or false:
Fractions must have a common denominator before you multiply them.
False
What place value is the 8 in?
0.8
tenths place
Solve using order of operations:
(10x2) + 5
10 x 2= 20
20 + 5= 25
Multiply:
124 x 15
1,860
A cube has the following dimensions:
Length- 10 inches
Width- 5 inches
Height- 2 inches
What is the volume of the cube?
10 x 5 x 2= 100 inches cubed
In order to add fractions, they must have a ______ denominator.
common
what place value is the "5" in?
2.45
hundredths
Solve using order of operations:
50 + 8 -(10x4)
10 x 4= 40
50 + 8= 58
58 - 40= 18
Divide:
385 / 7
55
A composite figure is made up of a rectangular prism and a cube. The volume of the rectangular prism is 200 inches cubed and the volume of the cube is 180 inches cubed. What is the total volume of the composite figure?
200 + 180= 380 inches cubed