Formulas
6th Grade
7th Grade
8th Grade
Place Value
Miscellaneous
100
Formula for the parallelogram
Base times height
100
If you have 12 equilateral triangles, how many squares can you build from them?
6 squares
100
Find the surface area of a cube that has a side length of 3 ft.
54 ft sq.
100
4x = 12
x = 3
100
thirteen and forty-seven hundredths.
13.47
100
What was Mr. Rea's first pet?
A fish from the state fair.
200
Formula for area of a triangle
1/2BxH or BxH divided by 2
200
Find the area of a rectangle when the... Base= 12in. Height=7in.
84in. squared
200
Width: 12cm
Length: 18cm
Give the new measurements if you enlarge by a scale factor of 4.
Width: 48 cm
Length: 72 cm
200
x/4 = 4
x = 16
200
nine hundred thirty two thousandths.
0.932
200
7 names that start with O
Oscar, Odell, Olivia, Omar, Oprah, Owen, Orlando, Oliver, Omarion, Ozzy,
300
Formula for area of a rectangle
BxH
300
Find the area of a rectangle when the... Base= 14ft. Height=19ft.
266 ft. squared
300
If a classroom that has 24 students increases by 1.5 times, how many students will there be?
24 x 1.5 = 36 students
300
(x)(1/2) = 45
x = 90
300
nine thousand fifty seven and eighty four hundredths
9057.84
300
If it is 12:39 military time, what time is it?
12:39 PM
400
Formula for perimeter on rectangle
side plus side plus side plus side
400
Find the area of a TRIANGLE when then the... Base= 21cm Height=14cm
147cm squared
400
Lowell has 639 students. If the population was shrunk to be 1/3 times as big, how many students would be left?
639 x 1/3 = 213 students
400
4x + 20 = 80
x = 15
400
What place value is the 7 at?
0.0000007
7 ten millionths.
400
I can be broken without being touched or seen. What am I?
A promise.
500
Formula for area of a square
BxH
500
Find the area of a TRIANGLE when then the... Base= 14ft. Height=24ft
168 ft. squared
500
There are eight eighths in 1 inch. How many inches is equal to 128/8?
128 / 8 = 16 in
500
What is 4 times this? round to the nearest hundredth.
12.56
500
How many 0.001 coins make up one penny?
100
500
What is the second largest planet and the second smallest planet?
Saturn and Mars.