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