1. Thousands to Thousandths Unit 3 Lesson 3

2. Line of Symmetry A line that divides a figure into two congruent parts. Decimal point

3. Whole numbers A whole number can’t be a fraction of a number or have a decimal A whole number is on the left side of the point The name of the group (such as thousands) is included when a whole number is read The word “and” is not used when saying or writing whole numbers A decimal is part of a whole number, e.g., 0.5 is half of a whole number A decimal number includes a decimal point and digit(s) to the right of the decimal point the only name read is that of the greatest decimal place when a decimal number is read The word “and” is used to represent the decimal point when saying or writing decimal numbers Decimal numbers

4. 1 whole 0 1/4 2/4 3/4 4/4 5/4 1 whole a whole number “mixed” with a fraction Mixed Numbers

5. Expanded Form A way of writing a number that shows the value of each of its digits Expanded form of 835: 800 + 30 + 5 8 hundreds + 30 tens + 5 ones Expanded form of 245. 67: 200 + 40 + 5 +.6 +.07 2 hundreds + 40 tens + 5 ones + 6 tenths + 7 hundredths

6. If …… Then…… If each decimal place value is the same then the decimals are equal. If you are absent, then you have a make up assignment to complete. If I don’t do my homework then I will get bad grades