5 Add to 10’s Tens Digit
6 Add to 10’s Ones Digit
7 Multiplying by 25
8 Multiplying by 50
9 Multiplying by 75
10 Multiplying by 125
11 Multiplying by 11
12 Multiplying by 111
13 Multiplying by 12
14 Multiplying by 15
15 Multiplying 16 2/3
16 Multiplying by 101
17 Multiplying by 1001
18 Multiplying 2 Numbesr Both Over 100
19 Multiplying 2 Numbers Both Under 100
20 Multiplying 2 Numbers Over/Under 100
21 Double/ Half Trick
22 Double/Double Trick
23 Adding/Subtracting Fractions
24 FOIL
25 Multiplying over/under same square
26 Approximating multiplying by 142857
27 Multiplying by 3367
28 Multiplying by 143
29 Add to 1 Mixed Numbers
30 Difference of Two Squares
31 Sum of Two Squares in the form a2+3a2 or a2+2a2
32 Greatest Common Factor
33 Least Common Multiple
34 Multiplying a ×ab
35 Multiplying Mixed Numbers with Same Fractions
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