Operation Words
What are the factors of 12?
1, 2, 3, 4, 6, 12
factors - numbers you multiply together to get the product
Write the following number in standard form.
300,000 + 50,000 + 2,000 + 300 + 5
352,305
standard form - numbers written only using numerals
Name the dividend, divisor, and quotient in this equation.
63 / 7 = 9
Dividend: 63 (number being divided)
Divisor: 7 (number that divides the dividend)
Quotient: 9 (result when numbers are divided)
What is another word for numerator?
What is another word for denominator?
COUNT (ask yourself how many do I have to count?)
TOTAL (ask yourself how many do I have in all?)
What does length measure?
What does weight measure?
What does mass measure?
The distance or how long something is
How heavy something is
how much matter is in an object
Is 19 prime or composite?
prime - only factors are 1 and itself
Write the following number in word form.
51,292
Fifty one thousand, two hundred ninety two
Word form - numbers written using ONLY words, no numbers
What property of multiplication does this example show? (associative, distributive, commutative)
2 x (3 + 4) = (2 x 3) + (2 x 4)
Distributive property
(says that you can multiply a number by a group of numbers added together by multiplying each number individually and then adding the products)
What does it mean when fractions have common denominators?
When do fractions need to have common denominators?
when two or more fractions have the same number on the bottom
We need common denominators when we add and subtract fractions
What tool do we use to measure angles?
Protractor
Is 36 prime or composite?
composite - more than 2 factors
Write the following number in expanded form.
84,372
80,000 + 4,000 + 300 + 70 + 2
8(10,000) + 4(1,000) + 3 (100) + 7 (10) + 2 (1)
Expanded form - breaking down a number into the values of it's digits
What property of multiplication does this example show? (associative, distributive, commutative)
(2 x 3) x 4 = 2 x (3 x 4)
Associative property
(says that when multiplying three or more numbers, you can group them in different ways and still get the same product)
What is the definition of an equivalent fraction?
Find 3 equivalent fractions of 1/2
different fractions that represent the same amount or part of a whole
1/2 = 2/4 = 3/6 = 4/8
What are the 5 different types of angles we learned? What are their measurements?
Acute: 1-89 degrees
Right: 90 degrees
Obtuse: 91-179 degrees
Straight: 180 degrees
Reflex: 180-359 degrees
List the first 8 multiples of 7.
7, 14, 21, 28, 35, 42, 49, 56
Multiples - the product of a whole number and any other whole number
Estimate the answer.
3,681 + 2,123
3,681 + 2,123 ---> 4,000 + 2,000
4,000 + 2,000 = 6,000
estimate - when you get a close answer or make an educated guess about the value of something; usually by rounding
What property of multiplication does this example show? (associative, distributive, commutative)
2 x 3 = 3 x 2
Commutative property
(you can multiply numbers in any order and still get the same product)
What is the simplest form of a fraction?
Simplify (or reduce) this fraction: 2/12
a fraction with a numerator and denominator that has no common factors
1/6
What are complementary angles?
What are supplementary angles?
Complementary: add up to 90 degrees (forming a right angle/corner)
Supplementary angles add up to 180 degrees (forming a straight line).
What is the definition of a remainder?
Give me an example!
The amount left over after dividing a number into equal groups
Example: 42 / 4 = 10 R 2
Name the factors and product in this equation..
16 x 8 = 128
Factors - 16 and 8 (a number being multiplied)
Product - 128 (result when numbers are multiplied)
What are the 3 different ways to interpret remainders in a story problem?
Ignore it
Round it up
Report is as the answer in a fraction
Write 7/10 as unit fractions.
1/10 + 1/10 + 1/10 + 1/10 + 1/10 + 1/10 + 1/10
Unit fraction : a fraction with a numerator of 1; it represents one part of all of the equal parts
What is the jingle that helps us remember how to convert units of measurement?
Small to Large: Divide and take charge
Large to Small: Multiply them all