Math Words

4. used to show that one number or amount is added to another
5. having four straight equal sides and 90° angles at the corners
6. an angle is smaller than 90 degrees
7. two lines, paths etc that are parallel to each other are the same distance apart along their whole length
11. not leaning to one side or the other but exactly vertical
12. to take a number or an amount from a larger number or amount
13. to put something with something else or with a group of other things
14. he space between two straight lines or surfaces that join each other, measured in degrees

1. a shape that has four straight sides, two of which are usually longer than the other two, and four 90° angles at the corners
2. the same in number, amount, value etc as something else
3. a triangle in which two of the sides are the same length
8. a shape with four equal straight sides, especially one that is not a square
9. used to show that one number or quantity is being subtracted from another
10. a flat shape with three straight sides and three angles