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