A lesson plan focusing on decimals on a number line and adding and subtracting rational numbers. Two designed worksheets to go along with answer keys attached!

If you're using Excel to calculate monetary values, then you only have to worry about two decimal places in your numbers. Aligning your numbers to the right automatically lines up the decimal points ...

Decimal values are parts of whole numbers, including tenths, hundredths and thousandths. You can add and subtract decimal numbers in the same way as whole numbers using place value charts. You can put ...

To mark a value on the number line, eg the number 2, start at zero and take 2 steps to the right. Number lines can also show fractions as values. This number line represents the values between 0 and 1 ...