Math Vocabulary

2. The third place value after the decimal point. Example: 0.567 means 567 thousandths.
4. A shape with four sides. It could be a rectangle, square, or trapezoid!
6. A number that can’t be written as a fraction, like pi (π) or √2. It’s infinite and non-repeating!
7. The small number that tells you how many times to multiply the base by itself. Example: In 2³, the exponent is 3.
10. A denominator that is different for each fraction. You may need to find a common denominator to work with them.
12. The second place value after the decimal point. Example: 0.34 means 34 hundredths.

1. a shape with four equal sides, or when you multiply a number by itself (like 3 × 3 = 9).
3. A shared bottom number in fractions that helps you add or subtract them.
5. A number that can be written as a fraction of two integers (like ½ or 4/3).
8. It’s a number system based on ten! Think of the dot separating the whole number from the fractional part.
9. The first place value after the decimal point. Example: 0.4 means 4 tenths.
11. A number made of a whole number and a fraction. Example: 1 ½.