Worksheet
Prove It! Worksheet
Curated OER

Prove It!

For Students 5th - 6th
In this problem solving skills worksheet, students prove that a number is a multiple of 9 if the sum of its digits in 9. Students also respond to 3 short answer questions regarding multiples.
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Activity
Texas Instruments: Magic Nines Activity
Texas Instruments

Texas Instruments: Magic Nines

For Teachers 6th - 8th
In this activity, students compute multiples of 9, 99, 999, and so forth, search for patterns in the products, and write generalizations of those patterns.
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Unknown Type
Number Nut: Multiplication: Multiplication of Three, Seven, and Nine Unknown Type
NumberNut

Number Nut: Multiplication: Multiplication of Three, Seven, and Nine

For Students 3rd - 5th Standards
Quiz providing practice in multiplying by three, seven, and nine.
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