Biscuit factory: gears

Learning Material, Learning Guide, Learning Module  |  Interactive Lesson  |  RAR

Published on 2018 August 2nd

Choose a pair of gears to drive a conveyor belt to an oven, including cases where the belt gear is larger than the driver gear. Notice that the number of rotations for each gear depends on the gear size (number of teeth). Identify the relationship between the number of teeth and the number of rotations. Choose a combination of two gears to adjust the speed of the conveyor belt. For example, choose a gear size (96 teeth) that will rotate three quarters of a turn for every turn of the driver gear (72 teeth). This learning object is the last in a series of six objects that progressively increase in difficulty.
1. Students use knowledge of factors and multiples to solve problems.
2. Students apply ratios to solve multiplicative problems.

Curriculum Information

K to 12
Grade 7, Grade 8, Grade 9, Grade 5, Grade 6, Grade 10
Numbers and Number Sense Geometry Measurement Statistics and Probability Patterns and Algebra Statistics and probability Patterns and algebra
Learners, Students

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