Download Math Vocabulary Study Guide

Math Vocabulary Study Guide
Name: ___________
Test Date:
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digits- all numbers are composed from the (1,2,3,4,5,6,7,8,9)
place value-the value of digit depending on its place value in number
compose-putting numbers together
decompose-taking numbers apart
greatest-the biggest number
least-the smallest number
compare-find out which number is greatest and which is less
period-group of 3 digits in a number, starting from the right; a comma is use to separate
the periods
9. addends- numbers added together in an addition equation
10. sum- the answer to an addition equation
11. missing addend-the addend missing from an addition equation
12. number pattern-an ordered set of numbers objects which helps predict (guess) what come
next ex. 2, 4, 6, 8...
13. Commutative (Order) Property of Addition- add numbers in any order and the answer will
be the same
14. Identity (Zero) Property of Addition- the sum of zero and any number is that same
number
15. Associative (Grouping) Property of Addition-group addends in any way and the sum will
be the same
16. Fact family-a group of related facts using the same numbers
17. Difference-the answer when subtracting two numbers
18. Round-replace a number with a number that tells how many
19. Estimate-find out about how much
20. Compatible Numbers-numbers that are close to the addends, but easy to add mentally
21- Equation-a number sentence that uses an equal (-) to show that the value to its left is the
same as the value to the right
22. Odd-a number that cannot be evenly grouped
23. Even-a number that can be evenly grouped
24. Number sentence-an equation; can be addition, subtraction, multiplication, or division
*The vocabulary test will be open book. Students may use their daily
journal to complete the test. Students MAY NOT use this study guide.
Vocabulary words are written daily in journals. They must complete each
day's assignment so that they will have the information they will need to
complete their vocabulary test.