What are the numbers that are added together to get a sum?
What is an addend?
100
When we begin counting, we say, "one, two, three, four, five...".
These _______ continue without end. What are they?
What are the counting numbers?
100
What is the answer called when you subtract one number from another number?
What is the difference?
100
We are all the counting numbers and the number zero. What are we called?
What are whole numbers?
100
When we compare two numbers, we are deciding if they are equal to, ____________, or ____________ each other.
We call these two things comparison symbols.
What are we?What is less than and greater than?
200
I am an addition formula that adds more to something I already have. What kind of formula am I?
What is some plus some more?
200
2, 8, 14, 20, 26... is an example of a what?
What is a counting sequence?
200
We are a group of three numbers that can be arranged to form four facts. What are we?
7 + 1 = 8 8 - 7 = 1
1 + 7 = 8 8 - 1 = 7
What is a fact family?
200
The numbers we say when we start with 2 and then count up by twos are called ______ numbers.
We all end in either a 2, 4, 6, 8, 0.
What are even numbers?
200
I continue on in both directions, without end. What am I?
What is a line?
300
The ______ states that you can numbers in any order.
What is the Commutative Property of Addition?
300
487 is called a number. The numerals 4, 8, and 7 that make up the number have a name, too. What is the name?
What is a digit?
300
addend + addend = sum
sum - addend = addend
What does the example above show?
What are inverse operations?
300
The numbers we say when we start with 1 and then count up by 2's are called __________ numbers.
We all end in either a 1, 3, 5, 7, 9.
What are odd numbers?
300
I have equally spaced tick marks, with some of them labeled with numbers. What am I?
What is a number line?
400
When a zero is added to a number, the number does not change. This is called what?
What is the Identity Property of Addition?
400
We use _____ to determine the value of each digit in a number. What is it?
What is place value?
400
What is it called when you separate one group from another (take away 2 from 6)?
What is subtraction?
400
even + even
odd + odd
In these formulas, the sum of these numbers is ________?
What is an even number.
400
We are on the right side of the zero on a number line, and we increase the further right we go. What are we?
What are positive numbers?
500
The way addends are grouped does not affect the sum. What is this rule called?
(a + b) + c = a + (b + c)
What is the Associative Property of Addition?
500
Cardinal numbers tell you how many. ______ tell which one.
For example: There are three people in front of Pedro. Pedro is fourth in line.
What are ordinal numbers?
500
A ________ is a number sentence that states that two expressions are equal.
Example: 5 + 3 = 8
Note: 5 + 3 is an expression and 8 is an expression.
What is an equation?
500
odd + even
In this formula, the sum of these numbers is ________?
What is an odd number?
500
We are on the left side of the zero and decrease the further left we go. We are represented by putting a minus sign in front of the number. What are we?