What is the acronym used to remember the order of operations and what does it stand for?
What is PEMDAS and parentheses, exponents, multiplication , division, addition, and subtraction.
100
How do you multiply fractions?
What is top times top and bottom times bottom. Also acceptable is numerator times numerator and denominator times denominator.
100
What MUST you do before you can multiply or divide mixed numbers?
What is to change mixed numbers into improper fractions
100
What is the first thing you should do when adding or subtracting decimals?
What is line the decimals up.
100
When multiplying decimals, is it important to line up the decimals?
What is no. You multiply like they are whole numbers then count how many decimal places there are and put them in the product.
200
Expand the equation 3(x + 3)
What is 3x + 9.
200
How do you divide fractions?
What is you flip the second and multiply.
200
How do you change a mixed number into an improper fraction?
What is you multiply the denominator by the whole number then add your answer to the numerator and keep the denominator the same.
200
What if each number has a different amount of decimals?
What is still line up the decimals. If it helps, add zeros as place holders.
200
How many decimal places should this answer have?
3.231 x 2.12
What is 5.
300
Factor this equation: 2y + 6
What is 2(y + 3)
300
Simplify:
(1/2) x (3/4)
What is (3/8)
300
Simplify:
2(1/3) x 1(1/2)
What is 3(1/2)
300
Simplify:
12.5 + 3.75 + 2
What is 18.25
300
When dividing decimals, what does the divisor have to be? (The divisor is the number outside of the house)
What is a whole number. To make the divisor a whole number, you move the decimal all the way to the left. However many places you moved it in the divisor, is how many places you need to move it in the dividend.
400
Simplify this equation:
2 + 5 x 2 - 1
What is 11
400
Simplify:
(2/3) / (3/4)
What is (8/9).
400
Simplify:
1(2/3) / 2(1/2)
What is (2/3)
400
Simplify:
5.2 - 2.88
What is 2.32
400
Multiply 0.3 x 0.12
What is 0.036
500
Simplify this equation:
1 + 2 + 3 x 4 + 5
What is 20
500
What is the multiplicative inverse (reciprocal) of the number 4?
What is (1/4)
500
What should you always try to do with your answers?