This document defines math vocabulary terms for 3rd grade MCA exams, including definitions for terms like equal, compare, order, add, subtract, multiply, divide, fraction, estimate and round. Examples are provided to illustrate concepts like comparing numbers, adding, subtracting, and dividing quantities. Links are included throughout for interactive exercises on related math concepts.

1. Number and Operation3rd Grade MCA Math Vocabulary

2. Exactly the same amount or valueJ. Scheumann & C. Sorenson 2011 equal

3. digitsJ. Scheumann & C. Sorenson 2011

4. valueHow much a number is worth. J. Scheumann & C. Sorenson 2011

5. compareIt is good to know if one number is bigger, smaller or the same as another number!BIG > smallsmall < BIGClick here to compare fractionsClick here to compare lengthsClick here to compare numbers 0-1Click here to compare numbers -1 to +1Click here to compare numbers -10 to 10Click here to compare numbers 0 to 10Click here to compare numbers 0 to 100J. Scheumann & C. Sorenson 2011

6. Example: 100, 45, 22, 18, 2These numbers are in descending order.Click here to try it!To put numbers in orderleast to greatest lowest to highestgreatest to least highest to lowestJ. Scheumann & C. Sorenson 2011 order

7. fewerThere are fewer ____ than _____.J. Scheumann & C. Sorenson 2011

8. moreJ. Scheumann & C. Sorenson 2011

9. lessJ. Scheumann & C. Sorenson 2011

10. least44 22 3 14 25J. Scheumann & C. Sorenson 2011

11. greaterBigger thanJ. Scheumann & C. Sorenson 2011

12. greatest784510010278The biggest or the largestJ. Scheumann & C. Sorenson 2011

13. greatestThe greatest number of birthdays of students is in MaybiggestJ. Scheumann & C. Sorenson 2011

14. nearestWhat number is nearestto 1.10?$1.00J. Scheumann & C. Sorenson 2011

15. closestWhat number is closest to 1.8?J. Scheumann & C. Sorenson 2011

16. vocabulary reviewUse the words less, more, least, greatest, most, fewer, greatest, and greater to talk about how much a coin is worth and it’s value. PennyNickelDimeQuarterA __________ is worth the _____________I have (more/fewer/greater) _______ than _______.

17. plotTo draw on a graph or map.J. Scheumann & C. Sorenson 2011

18. locateLocate Minnesota on the map. Find, tell where something is.J. Scheumann & C. Sorenson 2011

19. pointJ. Scheumann & C. Sorenson 2011

20. addClick here to try it!bringing two or more numbers (or things) together to make a new total.J. Scheumann & C. Sorenson 2011

21. sumAdding negative numbersThe result of adding two or more numbers.J. Scheumann & C. Sorenson 2011

22. subtracttaking one number away from another.J. Scheumann & C. Sorenson 2011

23. differenceThe result of subtracting one number from another. How much one number differs from another.J. Scheumann & C. Sorenson 2011

24. multiplyJ. Scheumann & C. Sorenson 2011

25. productThe answer when two or more numbers are multiplied togetherJ. Scheumann & C. Sorenson 2011

26. divideExample: there are 12 chocolates, and 3 friends want to share them, how do they divide the chocolates?Answer: They should get 4 each.We use the ÷ symbol, or sometimes the / symbol to mean divide:12 / 3 = 412 ÷ 3 = 4To divide is to split into equal parts or groups. It is "fair sharing".J. Scheumann & C. Sorenson 2011

27. resultCompetitive = Trying to wear better clothes than someone elseThe results are what you find out in a survey or the answer to a problem. J. Scheumann & C. Sorenson 2011

28. estimateExample: Alex estimated there were 10,000 sunflowers in the field by counting rowsA close guess of the actual value, usually with some thought or calculation involved.J. Scheumann & C. Sorenson 2011

29. round$ 15,999$16,000http://www.mathsisfun.com/rounding-numbers.htmlTo make into a whole numberJ. Scheumann & C. Sorenson 2011

30. fractionSlice a pizza, and you will have fractions:Click here to try it!A fraction is a part of a wholeJ. Scheumann & C. Sorenson 2011