Number line
Fractions on a number line
Print five fraction number lines with four targets each and a separate key. Choose reading or marking, twelve denominator groups and positive or negative fractions.
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Decimals on number lines
Locate four decimal values on each of five lines using halves, quarters, fifths, thirds, eighths or tenths. Choose plotting or reading practice.
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Use the integer labels and equal subdivisions to mark or read A–D. Thirds are positioned exactly and their decimal values are rounded to three places.
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Fractional ticks and mixed-number answers use reduced exact notation. On decimal worksheets, thirds are positioned exactly and displayed to three decimal places, so those decimals are rounded descriptions of the points.
Learning objective
What this activity builds
Connect decimal notation with a precise position between neighboring whole numbers.
Worked example
A line has four equal intervals from 2 to 3. What is the first tick after 2?
2.25
One interval is 1/4, or 0.25. Add that amount to 2. Count equal parts of the unit instead of treating the tick as a whole-number step.
Teaching notes
Make the practice count
- Select one step size when introducing the task. With several selected, each row uses one of those steps rather than mixing step lengths on a single line.
- The thirds choice uses exact thirds for positions. Displayed values such as 2.333 and 2.667 are rounded to three decimal places; repeated additions of 0.333 are not the construction rule.
- Positive mode uses positive ranges. Mostly negative mode gives three all-negative rows and two rows crossing zero; each crossing row includes both negative and positive targets.
- Every row has four different noninteger targets. Decimal points remain dots in every worksheet language. Read mode gives plotted points; mark mode gives the values.
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