Multiplication & Division
Using the zero trick, solve
13 x 10.
What is 130?
The digit in the hundredths place in the number 76.035 is...
What is 3?
True or False... When adding 3/8 + 4/5, the answer is 7/13.
What is False? (Never add denominators!)
What does PEMDAS or "Please Excuse my Dear Aunt Sally" stand for?
What is "Parenthesis, exponents, multiplication, division, addition, subtraction"?
What is the formula for area of a rectangle?
What is A = l x w?
Using standard algorithm for multiplication, you must always add this on the second layer of partial products, since you are actually multiplying by a ten instead of a one.
What is a zero?
True or False, when you add decimals using traditional algorithm, you must line up the decimals.
What is True.
What is 4 2/3 expressed as an improper fraction?
What is 14/3?
In the following expression, what would you solve first?
52 + (12 - 3)
What is (12 - 3)?
A parallelogram has a base of 12 in. and a height of 3 in. What is it's area?
What is 36 sq. in. or 36 in.2?
Using F.O.I.L., or multiplication wrestling, you do this to the two factors first before "wrestling" or multiplying.
What is break down or decompose or express in expanded form?
True or False... When you multiply decimals using traditional algorithm, you must line up the decimals.
What is False.
Before multiplying fractions straight across, it's best to look for this in order to work with simpler numbers.
What is cross-cancel?
Anything to power of zero (like 40) is always equal to this.
What is 1?
Why is the formula for area of a triangle 1/2 x b x h?
What is because it is worth half of its surrounding rectangular area?
True or False... Using an area model for division, you actually use multiplication to get products that will "chip away" at the dividend.
What is true?
Which is the correct placement of the decimal in the product for .2 x 1.6? Chose one: 3.2, .32, .032, 32
What is .32?
If using "wrestling" for 4 x 5 1/3, which two "team members" will 4 "wrestle"?
What are 5 and 1/3?
What is 27?
The volume of a rectangular prism is 100. It's length is 5, and it's width is 5. What must it's height be?
What is 4?
What is 26 r. 1?
Before dividing 94.5 by 3.4, you must do this...
What is move the decimal in both the divisor (3.4) and the dividend (94.5) one place to the right - or what is multiply them both by 10?
When dividing fractions, you must always do this.
What is multiply by the reciprocal or flip the second fraction and multiply?
What is the expression for "six more than four times a number"?
What is 4x + 6 or 6 + 4x? (variable does not have to be x)
A triangle's height is 5.5 ft. It's base is 4 ft. What is its area?
What is 11 sq. ft. or 11 ft.2?