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Estimation Blackline & PDF

Estimation Blackline & PDF

  • 1200


  • Rounding principles as a tool for estimating answers
  • Estimation involving whole numbers and mixed numbers
  • For children in grades 4-6
  • Blackline masters for written responses (answer keys included)
  • Ten separate exercises with about eighteen questions each

    Free-response exercises on estimation of sums, differences, products, and quotients involving whole numbers, mixed numbers, and dollars/cents.  Concepts heavily emphasized by National Council of Mathematics and standardized tests, estimation of sums and differences, estimation of products, estimation of quotients by using compatible numbers, estimation of fractions and mixed numbers, cumulative exercises.

    Cardstock variant is used for individualized work students may access as needed. As with many educational labs, students record their answers on a separate sheet of paper and then return the taskcard for other students to use.  Because repeated use is anticipated, lamination or sheet protectors without tabs are recommended for the cardstock pages.  Full-page cardstock can  be stored in portable literature display (landscape orientation), and third and half-page cardstock can be cut and stored in 9" x 3" plastic organizer.  Separate paper answer pages can be stored in a binder or separate file.

    Scope and Sequence Chart (Click here)

    The teacher's experience and the sequence of skills in the students' basic math program are the best guides in determining which skills should be introduced first. In general, the scope and sequence chart above can be used as a guide.

    A number of sets for younger children are "color coded." Some teachers present all the levels with an exercise set, while others prefer to present all the blue (two-digit) exercises, progress to the pink (three-digit), and culminate with the green (four-digit).

    Other skills such as Roman Numerals require no prerequisites other rhan an understanding of place value.  Such exercises can be presented any time.


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