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Triangles

Fact Triangles are similar in some ways to flashcards although they are a better way of showing and practicing fact families. Fact Families are sets of three numbers that can be divided or multiplied together and they help develop the understanding of the relationship between multiplication and division. Below are two examples:

Families | |

Number Family | Fact Family |

2 , 3 , 6 | 2 x 3 = 6 , 3 x 2 = 6 , 6 ÷ 3 = 2 , 6 ÷ 2 = 3 |

4 , 7 , 28 | 4 x 7 = 28 , 7 x 4 = 28 , 28 ÷ 7 = 4 , 28 ÷ 4 = 7 |

Knowing one fact from a family helps recall the other three facts. |

Open and print this fact triangles sheet and then cut along the lines to produce the triangles. This should give you twenty-seven triangles.

To practice multiplication, cover the largest number (the product) with your thumb and ask your child to say both multiplication facts.

To practice division, show the largest number and cover-up one of the others.

e.g. for a triangle showing 20 , 4 & 5 , cover the 5 and ask your child to tell what 20 ÷ 4 =

Spend a few minutes each day on these activities and try to make them as much fun as possible.

- Before working on memorization, be sure that you child has an understanding of the concepts behind the facts.
- During drills, you should focus on memorizing. Do not explain answers and make sure your child knows that memorizing is the goal.
- Have short, daily sessions and combine memorizing a few new facts with a review of facts that have been memorized.
- Tell your child immediately if the answer is correct or incorrect.
- If an answer is incorrect, do not allow a second (or third, or fourth, or fifth!) attempt. Give the correct answer and repeat the question shortly afterwards.
- Schedule review sessions once all the facts are memorized.

You will find flash cards here covering addition, subtraction, multiplication, and division.

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