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## Mental Calculation Drills

Posted by michael336 on February 18, 2009

Excerpt From this Document

1:

• 2 + 4 + 6 + 3 + 1 + 5 = 21
• 5 + 7 + 9 + 3 + 8 + 6 = 38
• 7 + 4 + 6 + 1 + 3 + 8 = 29
• 1 + 2 + 3 + 4 + 5 + 6 = 21
• 9 + 8 + 7 + 6 + 5 + 4 =39
• 2 + 4 + 6 + 8 + 1 + 3 = 24
• 5 + 7 + 9 + 3 + 1 + 9 = 34
• 6 + 3 + 3 + 6 + 3 + 6 = 27

2:

• 1 + 8 + 3 + 5 + 5 + 1 + 1 + 3 + 5 = 32
• 4 + 7 + 4 + 2 + 8 + 4 + 3 + 1 + 4 = 37
• 6 + 9 + 6 + 3 + 7 + 6 + 9 + 3 + 5 = 54
• 5 + 6 + 8 + 6 + 4 + 3 + 9 + 6 + 1 = 48
• 3 + 3 + 1 + 4 + 6 + 8 + 3 + 6 + 1 = 35
• 2 + 5 + 7 + 1 + 9 + 2 + 5 + 6 + 5 =42
• 5 + 8 + 1 + 3 + 8 + 2 + 7 +3 + 1 = 38
• 2 + 7 + 6 + 4 + 5 + 3 + 1 + 6 +5 = 3

3:

• 5 + 1 + 5 + 1 + 5 + 1 = 18
• 3 + 4 + 8 + 2 + 5 + 7 = 29
• 6 + 4 + 5 + 4 + 6 + 5 = 30
• 2 + 3 + 7 + 8 + 5 + 2 + 3 = 30
• 1 + 7 + 2 + 4 + 6 + 3 + 3 + 4 =30
• 9 + 3 + 8 + 4 + 1 + 2 + 3 = 30
• 4 + 5 + 1 + 7 + 2 + 1 + 5 + 5 = 30
• 3 + 7 + 4 + 2 + 3 + 1 + 3 + 3 + 3 = 29

4:

• 5 + 3 + 9 + 8 + 5 + 6 + 3 + 3 + 6 = 48
• 6 + 7 + 6 + 2 + 3 + 5 + 6 + 3 + 5 = 43
• 4 + 9 + 6 + 7 + 3 + 2 = 31
• 9 + 8 + 4 + 5 + 6 = 32
• 11 + 5 + 6 + 3 + 8 + 7 = 40
• 16 – 5 + 2 – 4 = 9
• 7 + 4 + 3 + 6 + 3 = 23
• 7 + 9 + 5 – 6 + 1 = 16

5:

• 5 + 4 + 6 + 4 + 3 + 5 + 1 = 28
• 7 + 7 + 3 + 3 + 2 + 2 + 1 = 25
• 8 + 1 + 4 + 3 + 2 + 2 + 3 + 1 = 24
• 4 + 5 + 0 + 1 + 4 + 5 + 3 + 4 + 4 = 30
• 9 + 3 – 8 – 1 + 6 – 4 + 8 + 7 = 20
• 16 + 4 + 5 + 5 + 7 + 3 = 40
• 1 + 7 – 8 + 6 = 6
• 27 – 9 + 4 + 5 + 2 = 29

6:

• 9 + 0 + 3 + 1 + 8 + 2 = 23
• 8 + 9 – 4 + 8 - 5 + 7 = 23
• 3 + 5 + 4 + 6 + 8 = 26
• 5 + 4 + 6 + 5 + 7 + 1 = 28
• 23 + 17 + 10 – 3 = 47
• 6 + 4 + 5 + 9 + 8 + 5 = 37
• 9 + 8 – 5 + 2 – 3 = 11
• 21 + 9 + 5 + 7 + 3 = 45

Mental calculation drills for addition, subtraction, multiplication, and division. Read orally and have students solve. Great for mental mastery.

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