Mental Math Grade 6 Teacher's Guide
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 />
2x1 1x2<br />
2x2<br />
2x3 3x2<br />
2x4 4x2<br />
2x5 5x2<br />
2x6 6x2<br />
2x7 7x2<br />
2x8 8x2<br />
2x9 9x2<br />
Multiplication Facts With Products 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 />
10x1 1x10<br />
10x2 2x10<br />
10x3 3x10<br />
10x4 4x10<br />
10x5 5x10<br />
10x6 6x10<br />
10x7 7x10<br />
10x8 8x10<br />
10x9 9x10<br />
10x10<br />
Facts With 5<br />
(Clock Facts)<br />
5x1 1x5<br />
5x2 2x5<br />
5x3 3x5<br />
5x4 4x5<br />
5x5<br />
5x6 6x5<br />
5x7 7x5<br />
5x8 8x5<br />
5x9 9x5<br />
Facts With 9<br />
(Patterns)<br />
9x1 1x9<br />
9x2 2x9<br />
9x3 3x9<br />
9x4 4x9<br />
9x5 5x9<br />
9x6 6x9<br />
9x7 7x9<br />
9x8 8x9<br />
9x9<br />
Facts With 1<br />
(no change facts)<br />
1x1<br />
1x2 2x1<br />
1x3 3x1<br />
1x4 4x1<br />
1x5 5x1<br />
1x6 6x1<br />
1x7 7x1<br />
1x8 8x1<br />
1x9 9x1<br />
Facts With 0<br />
(Facts with zero have<br />
products of zero)<br />
0x0<br />
0x1 1x0<br />
0x2 2x0<br />
0x3 3x0<br />
0x4 4x0<br />
0x5 5x0<br />
0x6 6x0<br />
0x7 7x0<br />
0x8 8x0<br />
0x9 9x0<br />
Square Facts<br />
(These facts (and others<br />
like them) form square<br />
arrays)<br />
3x3<br />
4x4<br />
6x6<br />
7x7<br />
8x8<br />
Facts With 4<br />
(Double-Double)<br />
4x1 1x4<br />
4x2 2x4<br />
4x3 3x4<br />
4x4<br />
4x5 5x4<br />
4x6 6x4<br />
4x7 7x4<br />
4x8 8x4<br />
4x9 9x4<br />
Times-3 Facts<br />
(Double-plus 1 more set)<br />
3x6 6x3<br />
3x7 7x3<br />
3x8 8x3<br />
Last 6 Facts<br />
6x7 7x6<br />
6x8 8x6<br />
7x8 8x7<br />
After students have mastered each cluster of multiplication facts, it<br />
is appropriate to have them learn the corresponding division facts.<br />
One strategy for learning the division facts is “think multiplication”.<br />
<strong>Mental</strong> <strong>Math</strong> – <strong>Grade</strong> 6 23
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