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Math Facts

This year we will be working on mastering addition, subtraction, multiplication and division facts.  Students will be working at their own pace learning sequential sets of facts.  We will be reviewing specific strategies that will help them learn their facts.  I will send home a sheet of new math facts each time they pass a test.  Please have them orally practice (say the answers out loud) the facts on this sheet each evening. When they bring a new sheet home you will know that they have passed the previous sheet.  I will be asking them to be able to say 25 addition and subtraction facts in one minute to pass.  At school we will have manipulatives and games that will help the students learn how to use these strategies.  Here is the order of the facts that the students will be working on this year. Addition and subtraction will be a review of what they learned in 2nd grade and then they will move through the multiplication and division facts. The district math plan expects the students to master the addition and subtraction facts by the end of October and then be moving on to multiplication. Multiplication and division facts will be learned with sets of flashcards.

Addition

1. Count on ones (+1)

2. Count on twos (+2)

3. Count on threes (+3)

4. Mixed count on facts (+1,+2,+3)

5. Doubles (2+2,3+3 ...9+9)

6. Doubles plus one (2+3, 3+4...8+9)

7. Doubles plus two(2+4, 3+5...7+9)

8. Make a ten (e.g. 7+4, 8+3, 9+5--this strategy helps students take an amount away from the smaller number to make the bigger number equal 10, then it is easy to add what remained of the smaller number to 10)

9. Use all addition strategies

10.  

Subtraction

• Count back 1,2,3 (-1,-2,-3)

• Count on 1,2,3 (e.g. 11-8, 10-7--start with the smaller number and count up to the bigger number to find the difference)

• Doubles and near doubles (Use knowledge of  addition doubles facts and doubles +1 and doubles +2 to find the answer to the corresponding subtraction fact)

• Use addition (think of the corresponding addition fact to find the answer to the subtraction fact)

• Mixed subtraction

Multiplication

We will be using sets of multiplication flashcards to help students learn their multiplication facts. For each set there will be a specified time that they need to be able to say the answers for the that set of flashcards. When your student begins multiplication I will send a letter home explaining the program. Here is the order of the multiplication facts we will be learning.

2's: 15 seconds

2's and 5's : 40 seconds

2's, 5's and 9's: 1 minute

2's, 5's, 9's, 0's and 1's: 1 minute 20 seconds

2's, 5's, 9's, 0's, 1's and 3's: 1 minute 45 seconds

2's, 5's, 9's, 0's, 1's, 3's and 4's: 2 minutes

2's, 5's, 9's, 0's, 1's, 3's, 4's 6x6, 7x7, 8x8: 2 minutes 10 seconds

All Facts: 2 minutes 20 seconds

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