Formulas
6th Grade
7th Grade
8th Grade
Place Value
Miscellaneous
100
Formula for the parallelogram
Base times height (perpendicular)
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 (all of the areas of each side added together) that has a side length of 3 ft.
54 ft sq.
100
4n = 12, what is n?
n = 3
100
what is this as a numerical notation: thirteen and forty-seven hundredths,
13.47
100
What is another name for counting numbers?
Positive integers or natural numbers
200
Formula for area of a triangle
1/2(BxH) or (BxH) divided by 2
200
Find the area of a rectangle when the... Base= 12in. Height=5in.
60 in. 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, what is x?
x = 16
200
nine hundred thirty two thousandths is what numerically?
0.932
200
what are 7 names that start with O?
Oscar, Odell, Olivia, Omar, Oprah, Owen, Orlando, Oliver, Omarion, Ozzy, Omen, Olly, Ompah
300
Formula for area of a rectangle
l*w
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, what is x?
x = 90
300
9057.84 how is this read correctly in mathematical terms?
nine thousand fifty seven and eighty four hundredths
300
If it is 12:39 military time, what time is it?
12:39 PM
400
Formula for perimeter on rectangle
2l + 2w (add all sides together)
400
Find the area of a TRIANGLE when then the... Base= 20cm Height=14cm
140cm squared
400
Sarah has 639 books. If the number was shrunk to be 1/3as big, how many books would be left?
639 x 1/3 = 213 books
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
s*s or (L*W)
500
Find the area of a TRIANGLE when then the... Base= 14ft. Height=20ft
140ft. 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 irrational number,, round to the nearest hundredth?
12.56
500
How many 0.001 micro-coins make up one penny?
100
500
What is the favoriteo thing that Mike likes to cook or bake?
Cast-iron skillet pizza