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TENS

  • Using $10 and $1 Bills to Represent Regrouping in Addition or Subtraction

    Money is intuitive for many students, even when the underlying math is not. For example, I often find that students who do not understand well the concept of Base 10 place value do understand $10 and $1 bills. With this in mind, I created a virtual scaffolded handout that builds on student intuitive understanding of…

  • Multiplying and Carrying a Tens Digit

    Carrying the TENS digit in a multiplication problem is a sticking point for many students. To address this, I use a task analysis approach to zero in on the step of identifying the product for the ONES as a prelude to carrying. In the example below, 5 and 4 are in the ONES place and…

  • Adding ones digits in 2 digit numbers with carrying

    Adding ones digits in 2 digit numbers with carrying

    A major obstacle in math for many students with special needs is carrying in addition problems. Below is a task analysis approach. First, I target the step of identifying the ONES and TENS place in the 2 digit sum in the ONES column (below it is 12). In a scaffolded handout I create a box…