8,732
edits
Changes
→Skill Levels
0 through 9.
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| Example 13 || Example 3 × ? = 0 1 × 8 = ? || ExampleREVIEW of Levels 11 and 12. Solving multiplication problems with the identity element 1 and the property 0 as factors. Other factors are from 0 through 9.
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| Example 14-15 || Example 3 × 14 = (3 × 10) + (3 × ?) 9 × 91 = (? × 43) + (9 × 48) || ExampleApplying the distributive property of multiplication over addition to problems with factors from 2 through 9.
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| Example 16-17 || Example ? × 3 = 3 6 + (1 + ?) = (1 + 2) + 6 || ExampleREVIEW of Levels 1 through 6. Applying properties for addition and the identity element, 0, for addition.
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| Example 18-19 || Example ? × 9 = 9 9 × (8 × 7) = (8 × 9) × ? || ExampleREVIEW of Levels 7 through 15. Applying properties for multiplication and the identity element, 1, for multiplication.
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