Place Value, Addition, and Subtraction
This is how you write one billion in standard form.
What is 1,000,000,000?
The numbers you multiply by are called this.
What are factors?
A number is divisible by this number if its ones digit is divisible by 2.
What is 2?
This is an arrangement in which objects are displayed in rows and columns.
What is a rectangular array?
Fractions must have these in order to be able to add them.
What are like denominators?
This is how you write 8,630 in expanded form.
What is 8,000 + 600 + 30?
The answer when you multiply is called this.
What is the product?
A number is divisible by this digit if its ones digit is 0 or 5.
What is 5?
These are numbers that are multiplied to find a product.
What are factors?
Fractions with different numbers on the bottom have this.
What are unlike denominators?
This place value is three places to the right of the decimal.
What is the thousandths place?
This property of multiplication states that changing the order of the factors does not change the product.
What is the commutative property of multiplication?
A number is divisible by this number if its ones digit is 0.
What is 10?
This is a number greater than 1 that has exactly two factors, itself and 1.
What is a prime number?
1/5 + 2/5 + 1/5 = this
What is 8/5 or 1 and 3/5?
This type of chart can help you read decimals.
What is a place-value chart?
This property of multiplication states that changing the grouping of the factors does not change the product.
What is the associative property of multiplication?
A number is divisible by this digit if its tens and ones digits form a number that is divisible by 4.
What is 4?
This is a number greater than 1 that has more than two factors.
What is a composite factor?
19/12 - 7/12 = this
What is 12/12 or 1?
This property of addition states that changing the order of the addends does not change the sum.
What is the commutative property of addition?
This property of multiplication states that the product of one and a number is the same as that number.
What is the identity property of multiplication?
A number is divisible by this digit if the sum of its digits is divisible by 3.
What is 3?
A fraction is in this when its numerator and denominator have no common factor other than 1.
What is lowest or simplest terms?
11/18 - 1/6 = this
What is 8/18 or 4/9?