Across
- 4. To combine; put together two or more quantities
- 6. A metric unit of length equal to 0.01 of a meter. 100 cm = 1 m
- 8. Changing the order of the factors does not change the product
- 10. A mathematical phrase without an equal sign
- 15. eight-sided shape
- 16. seven-sided shape
- 20. The primary system of weights and measures used in the United States and a few other countries.
- 21. a collection of related addition and subtraction facts, or multiplication and division facts, made from the same numbers
- 22. a diagram in which the numerical values of variables are represented by the height or length of lines or rectangles of equal width
- 25. three-sided shape
- 26. A set of rules that tells the order in which to compute.
- 27. A number that has exactly two different factors 1 and itself.
- 29. adding 0 to any number, gives the sum as the number itself
- 30. An angle with a measure greater than 90º but less than 180º.
- 32. twenty-sided shape
- 33. Two intersecting lines that form right angles
- 34. a dot placed after the figure representing units in a decimal fraction
- 35. A system of measurement based on tens. The basic unit of capacity is the liter. The basic unit of length is the meter. The basic unit of mass is the gram.
- 37. A clock that shows the time by the hour and minute hand positions
- 38. nine-sided shape
- 39. The number written above the line in a fraction. It tells how many equal parts are described in the fraction.
- 40. The result when one number is subtracted from another
Down
- 1. The distance around the outside of a figure
- 2. six-sided shape
- 3. five-sided shape
- 5. a clock that displays the time in numerical digits rather than by hands on a dial.
- 7. A customary unit of weight equal to one-sixteenth of a pound. 16 ounces = 1 pound
- 9. a^2+b^2=c^2
- 11. A quadrilateral with 2 pairs of parallel and congruent sides
- 12. Changing the grouping of addends does not change the sum.
- 13. a way of writing extramly large/small numbers in a simple decimal form
- 14. changing the order of addends does not change the sum.
- 17. parenthesis, exponents, multiplication, division, addition, subtraction
- 18. four-sided shape
- 19. a line on which numbers are marked at intervals used to illustrate simple numerical operations
- 23. Lines that are always the same distance apart. They do not intersect
- 24. A tool used to measure and draw angles.
- 28. ten-sided shape
- 31. A number that has a counting number and a fraction.
- 36. A number sentence with an equal sign. The amount on one side of the equal sign has the same value as the amount on the other side