Decimal Line and Tags
- Visualization of decimal values through number lines
- Extensive practice with two-place decimals and three-place decimals
- For students in grades 4-8
- Red cardstock line with red decimal numerals for hundredths and green cardstock line with green decimal numerals for thousandths.
- Also includes set of small decimal numerals for composing decimal numerals
Two levels help students visualize the differences in decimals (for example 0.9 and 0.09 and 0.009). As an extension, fraction tags may also be used on the decimal line. Indirect preparation for rounding decimals.
Two separate number lines divided into hundredths and thousandths, respectively; students locate random decimal values. Red cardstock line with red decimal numerals on white with gold tags for thousandths . Also decimal numeral cards and extra pages for replacement pieces and extensions. (Lamination recommended for heavy use; cutting required.) Recommended Storage (not included): Twelve-inch by three-inch plastic organizer for lines;10 hardware drawers, boxes, or envelopes for tags.
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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