Multiplication Basic Fact Strategies
Strategy for 0: When multiplying by 0, use the zero property; any factor multiplied by 0 will have a product of 0.
Strategy for 1: When multiplying by 1, use the identity property; any factor multiplied by 1 will have a product of that same number.
Strategy for 2: When multiplying by 2, double the other factor.
Strategy for 3: When multiplying by 3, double the other factor and add a group.
Strategy for 4: When multiplying by 4, double-double the factor.
Strategy for 5: When multiplying by 5, skip count by 5 or multiply the other factor by 10 and halve the product
Strategy for 6: When multiplying by 6, use the strategy for 3 and double the product or use the strategy for 5 and add a group.
Strategy for 7: When multiplying by 7, use the other factor’s strategy or decompose the 7 to strategies you can use.
Strategy for 8: When multiplying by 8, double-double-double the other factor.
Strategy for 9: When multiplying by 9, multiply by 10 then subtract a group.
Strategy for 10: When multiplying by 10, use place value understanding.
Strategy for 11: When multiplying by 11, use the strategy for 10 and add a group.
Strategy for 12: When multiplying by 12, decompose to 10 and 2 and use those strategies.
No comments:
Post a Comment