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Mental Math Grade 6 Teacher's Guide

Mental Math Grade 6 Teacher's Guide

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Facts With 2<br />

(addition doubles)<br />

2÷1 2÷2<br />

4÷2<br />

6÷3 6÷2<br />

8÷4 8÷2<br />

10÷5 10÷2<br />

12÷6 12÷2<br />

14÷7 14÷2<br />

16÷8 16÷2<br />

18÷9 18÷2<br />

Division Facts With Dividends to 81 –<br />

Clustered by Thinking Strategy and in Sequence<br />

Facts With 10<br />

(Not officially a “basic<br />

fact”, but included here<br />

since our number<br />

system is base-ten)<br />

10÷10 10÷1<br />

20÷10 20÷2<br />

30÷10 30÷3<br />

40÷10 40÷4<br />

50÷10 50÷5<br />

60÷10 60÷6<br />

70÷10 70÷7<br />

80÷10 80÷8<br />

90÷10 90÷9<br />

100÷10<br />

Facts With 5<br />

(Clock Facts)<br />

5÷1 5÷5<br />

10÷2 10÷5<br />

15÷3 15÷5<br />

20÷4 20÷5<br />

25÷5<br />

30÷6 30÷5<br />

35÷7 35÷5<br />

40÷8 40÷5<br />

45÷9 45÷5<br />

Facts With 9<br />

(Patterns)<br />

9÷1 9÷9<br />

18÷2 18÷9<br />

27÷3 27÷9<br />

36÷4 36÷9<br />

45÷5 45÷9<br />

54÷6 54÷9<br />

63÷7 63÷9<br />

72÷8 72÷9<br />

81÷9<br />

Facts With 1<br />

(no change facts)<br />

1÷1<br />

2÷2 2÷1<br />

3÷3 3÷1<br />

4÷4 4÷1<br />

5÷5 5÷1<br />

6÷6 6÷1<br />

7÷7 7÷1<br />

8÷8 8÷1<br />

9÷9 9÷1<br />

Facts With 0<br />

(Facts with zero have<br />

products of zero)<br />

0÷0<br />

0÷1 1÷0<br />

0÷2 2÷0<br />

0÷3 3÷0<br />

0÷4 4÷0<br />

0÷5 5÷0<br />

0÷6 6÷0<br />

0÷7 7÷0<br />

0÷8 8÷0<br />

0÷9 9÷0<br />

Square Facts<br />

(These facts (and others<br />

like them) form square<br />

arrays)<br />

9÷3<br />

16÷4<br />

36÷6<br />

49÷7<br />

64÷8<br />

Facts With 4<br />

(Double-Double)<br />

8÷2 8÷4<br />

12÷3 12÷4<br />

16÷4<br />

20÷5 20÷4<br />

24÷6 24÷4<br />

28÷7 28÷4<br />

32÷8 32÷4<br />

36÷9 36÷4<br />

Times-3 Facts<br />

(Double-plus 1 more set)<br />

18÷6 18÷3<br />

21÷7 21÷3<br />

24÷8 24÷3<br />

Last 6 Facts<br />

42÷6 42÷7<br />

48÷8 48÷6<br />

56÷7 56÷8<br />

24 <strong>Mental</strong> <strong>Math</strong> – <strong>Grade</strong> 6

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