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Worksheet
Curated OER

Using the Divisibility Rules

For Students 3rd - 4th
In this math instructional activity, students solve twenty division problems. After solving each problem, students state the divisibility rule which proves each answer. Divisibility rules for 2, 3, 4, 5, 6, 9, and 10 are assessed.
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Lesson Plan
Curated OER

Divisibility Rules

For Teachers 6th - 7th
In this divisibility rules worksheet, pupils solve problems using the division rule for the number three. Examples and explanations are given prior to the exercise. This one-page worksheet contains approximately 20 problems.
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Lesson Plan
Curated OER

Dynamic Divisibility

For Teachers 4th - 6th
Students examine the rules of divisibility for the numbers 2, 3, 5, 6, 9 and 10. They apply these rules to larger numbers.
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Lesson Plan
Curated OER

Prime and Composite Numbers

For Teachers 6th
Sixth graders inspect prime and composite numbers. Using graph paper, they draw as many different shaped rectangles as possible. They use the dimensions of the rectangles to discuss prime and composite numbers. Students create a chart...
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Lesson Plan
Curated OER

Factoring Large Numbers

For Teachers 7th
Seventh graders practice applying the rules of divisibility.