Students write multiplication sentences for arrays and equal groups, draw arrays for two facts, test turning an array around, and solve two story problems.
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Materials: none (counters for the partner activity on the key)
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This page teaches what multiplication means through pictures. Students write a multiplication sentence for each dot array and each set of equal circles, find 4 × 7 and 2 × 8 and draw them as arrays, and decide whether 5 rows of 3 and 3 rows of 5 give the same product. Two story problems, about crayons in cups and rows of tomato plants, ask for the unit word after the answer. The key accepts factors in either order, since 5 × 4 also describes 4 rows of 5.
In Part A, ask students to say "4 rows of 5" or "3 groups of 7" before writing. Students who count every dot one by one get the total but not the two factors the sentence needs.
When students draw the Part B arrays, rows often end up with different numbers of dots. Have them count each row before they count the total.
Ways to adjust the page for different students.
Each one is checked against the official documents. Where the resource covers only part of a standard, the note says so.
Students write a multiplication sentence for each array picture, reading it as rows of equal size, and draw arrays for 4 × 7 and 2 × 8. They are not asked to make up their own story for a product.
Students write and solve multiplication sentences for two stories about crayons in cups and rows of plants. Division and measurement problems are not covered.
In Turn It Around, students find 5 × 3 and 3 × 5 and see that turning an array keeps the same product (the commutative property). The associative and distributive properties are not covered.
Students write multiplication sentences for equal groups and arrays and draw arrays for 4 x 7 and 2 x 8; number lines and skip counting are not used.
Students find the total number of dots in pictured groups and arrays within 10 by 10.
Students solve two equal-groups story problems and check that 5 x 3 and 3 x 5 give the same product; division and two-step problems are not covered.
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