Students in a grade 7 class were raising money for charity. Some students had a bowl-a-thon.

This table shows the money that one student raised for different bowling times.What patterns do you see in the table?How long would the student have to bowl to raise $72?

Time (h)Money Raised ($)18216324432540

What is meant by divisibility rules?A way to divide numbers quickly by following a pattern.Why is it important?Divisibility rules help us find the factors of a number.

Copy down the following numbers.

Circle the ones that are divisible by 2.Place a square around the ones that are divisible by 5.Draw a triangle around the ones that divisible by 10.

78273541012321004126795

A number is divisible by2If the whole number is even3If the sum of the digits is divisible by 34If the number formed by the last 2 digits is divisible by 45If the last digit is a 5 or a 06If the number is divisible by 3 and is even8If the number is divisible by 4 and the quotient is even9If the sum of the digits is divisible by 910If it ends in 0

Choose 3 different colors. Using one color, circle the numbers that are divisible by 2.

3) Using a different color, circle all the numbers that are divisible by 4.4) Using your last color, circle all the numbers that are divisible by 8.Be able to discuss the following:Describe the patterns that you found.

Sort the following numbers based on the divisibility rules for 3 and 5 using both Carroll and Venn Diagrams.6, 8, 10, 15, 18, 25, 26, 36, 40, 45, 120

Carroll DiagramDivisible by 3Not Divisible by 3Divisible by 515 45 12010 25 40Not Divisible by 56 36 188 26

Divisible by 5Divisible by 3826102540618361545120

Grade 7:Work on pages 8 then 9 and the Pizazz sheet for final review