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Recall multiplication facts for 2

Within factors from 0 through 10, the learner knows the products of 2×n2 \times n, from 0 through 20, and interprets each fact as two equal groups of nn, an array with two rows, or doubling nn; increasing nn by 1 increases the product by 2. This fluency supports related division-by-2 facts and efficient multiplication within 100, but does not include multi-digit multiplication or generalized algebraic treatment.

Detailed Explanation: Recall multiplication facts for 2

To find a fact with 22, think double the other number. This means making two equal groups.

Example: (2×6)(2 \times 6)

  1. Read (2×6)(2 \times 6) as two groups of 6.
  2. Add the two groups:
6+6=12 6+6=12
  1. So,
2×6=12 2 \times 6=12

You can also count by 2 six times:

2, 4, 6, 8, 10, 122,\ 4,\ 6,\ 8,\ 10,\ 12

Therefore, (2×6=12)(2 \times 6=12). The related division fact is (12÷2=6)(12\div 2=6).

Learn by doing: Recall multiplication facts for 2

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