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Math Vocabulary


Digit: the numbers 0, 1, 2, 3, 4, 5, 6, 7 ,8, 9. They are used to make all the other numbers.
Whole Number: Made of Digits, not a fraction or a decimal
Place Value: How much a digit is worth based on the numbers “place”
Place Value Chart: A chart that shows how much each digit is worth
Draw and Label an Example:
Standard Form: written in digits
            EX: 5,678
Word Form: Written in Words
            EX: five thousand, six hundred seventy-eight
Expanded Form: Written as a place value problem
            EX: 5000 + 600+ 70+ 8
Block Form: Shown using place value blocks
Place Value System:  Is Based on 10
Pattern: something that repeats
Rule: how the pattern changes
            EX: 2, 4, 6, 8
Rule = +2
Greater Than: more than
            Symbol: >
            EX: 534 > 500
Less Than: not as much
            Symbol: <
            EX: 56 < 70
Equal To: The same amount
            Symbol: =
            EX: 43 = 20 + 23
Even Numbers: end in the numbers 0, 2, 4, 6, 8 (in the ones place)
Odd Numbers: end in 1, 3, 5, 7 , 9 (in the ones place)
Addition: Combining two or more things
Addend: the numbers you add
Sum: The answer to an addition problem

Estimate: a close guess
Round: to estimate to the nearest tens, hundreds, thousands, or ten thousands place