Understanding Arrays and Their Totals

TeachShare User·

Math

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At a Glance

SubjectMath

Original Prompt

I need to create two worksheets - one lower level ability and one higher level ability for Year 3 and 4 using the 2024 NSW Math standards for the following content point: "Find the total of partially covered arrays. Apply the inverse relationship of multiplication and division to justify answers, eg 12 ÷ 3 = 4 as 4 x 3 = 12."

This resource explores the concept of arrays, which are structured arrangements of items in rows and columns, and teaches how to find total quantities using multiplication and division. It includes exercises with partially covered arrays, encouraging students to engage with both operations as inverse relationships. The first part provides scenarios for calculating hidden parts of an array, such as a chocolate bar with rows and columns. Another example involves a gardening scenario where students must apply the learned skills to determine total flowers from visible and hidden quantities. Lastly, an advanced challenge asks students to apply their knowledge to a more complex array, reinforcing their understanding of multiplication and division through practical problems. Overall, the resource promotes critical thinking and application of mathematical concepts in a fun and interactive manner.