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Paper-and-Pencil Addition Methods
Sometimes you can solve addition problems in your head. Other times it helps to use paper and pencil. Here are two paper-and-pencil methods you can use. For both methods, you can think of base-ten pieces to help them make sense.
All-Partials Method
Tom looked at the base-ten
pieces in Nikia's problem.
He added like this:
Nikia showed her work this way:
- Look at Tom's and Nikia's methods.
- What number shows the value of the bits?
- What number shows the value of the skinnies?
- What number shows the value of the flats?