4th Grade Math Vocabulary

1234567891011121314151617181920212223242526272829303132333435363738394041
Across
  1. 4. The operation for finding the total amount in two or more equal groups; the opposite of division
  2. 6. 60 seconds equals one of these
  3. 8. An ordered set of numbers or objects in which the order helps you figure out what comes next
  4. 9. The answer to a subraction problem
  5. 12. A way to write numbers using the digits 0-9
  6. 13. An operation that tells us how many are left in a group when a number are taken away
  7. 14. triangle A triangle that has one obtuse angle
  8. 17. Straight lines that will never cross
  9. 18. A number that has a 0, 2, 4, 6, or 8 in the ones place
  10. 20. The top number in a fraction that tells how many parts are being counted
  11. 21. A way to write numbers that shows the value of each digit
  12. 25. A triangle with three acute angles
  13. 27. The bottom number of a fraction that represents how many equal parts are in the whole
  14. 32. The operation that separates into equal groups; the opposite of multiplication
  15. 33. An angle that measures greater than 90 degrees
  16. 34. A common fraction that we can use to help us compare other fractions
  17. 36. When two or more fractions share the same denominator
  18. 37. A number with one or more digits to the right of the decimal point
  19. 39. An angle that measures less than 90 degrees
  20. 40. An instruction that tells you the correct way to do something; or the sequence a pattern follows
  21. 41. The number we are dividing by in a division problem
Down
  1. 1. Straight lines that cross each other at any angle that isn't 90 degrees
  2. 2. The number being divided in a division problem
  3. 3. 12 inches equals one of these
  4. 5. An angle that forms a square corner, measuring at 90 degrees
  5. 7. A set of rules that tells the in order that calculations should be done
  6. 8. The distance around an object
  7. 10. Two or more fractions that name the same amount
  8. 11. A number that is multiplied by another number to find a product
  9. 15. A fraction that has 1 as its numerator; names one piece of the whole
  10. 16. Opposite operations that undo each other, such as addition and subtraction or multiplication and division
  11. 19. Groups that have the same amount of objects
  12. 22. number A number represented by a whole number with a fraction
  13. 23. The answer to a division problem
  14. 24. Straight lines that cross each other at exactly 90 degrees
  15. 26. A number sentence that uses the equal sign to show that two amounts are equal
  16. 28. The value of a digit in a number, based on which place it is in
  17. 29. The amount left over when a number cannot be divided equally
  18. 30. A number that names part of a whole
  19. 31. To measure the number of unit squares needed to cover a surface
  20. 35. form A way to write numbers using words
  21. 38. The answer to an addition problem