Write the equations Miss James writes on your piece of paper. Draw a number line from 1 to 10 on your piece of paper. 3. Get a deck of cards to practice the counting-back strategy.

Explains the concept of zero in mathematics, emphasizing its role as a number that represents the empty set. It illustrates how zero is used in addition and subtraction, showing that adding or ...

Twenty-four first-grade children were asked to write number sentences and select appropriate alternative number sentences for addition and subtraction word problems. Responses were qualitatively ...