DecimalsAddition & Subtraction :
DecimalsAddition & Subtraction The essential piece to remember is that the decimals MUST be lined up.
Be sure the decimal point is included in the answer
DecimalsAddition & Subtraction :
DecimalsAddition & Subtraction When zero doesn’t mean anything -
Zeros can be added to the left of a number without affecting its value…we have seen this with our work with whole numbers
Slide 4:
The same logic can be applied to the tenths, hundredths, and thousandths using the base 10 blocks as a visual reference.
This will help when adding and subtracting numbers with different numbers of digits.