mathtricky

Trick 116 - Multiplying two selected 3-digit numbers (middle digit 2)

Trick 115 - Multiplying two selected 3-digit numbers (middle digit 1)

Trick 114 - Multiplying two selected 3-digit numbers (middle digit 0)

Trick 113 - Multiplying two 2-digit numbers (same 2nd digit)

Trick 112 - Multiplying two 2-digit numbers (same 1st digit, 2nd digits sum to 10)

Trick 111 - Multiplying two 2-digit numbers (same 1st digit)

Trick 110 - Squaring a repeating 6-digit number

Trick 109 - Squaring special numbers (9 and repeating 6's)

Trick 108 - Squaring special numbers (9 and repeating 3's)

Trick 107 - Squaring special numbers (8 and repeating 9's)

Trick 106 - Squaring special numbers (8 and repeating 3's)

Trick 105 - Squaring special numbers (7 and repeating 9's)