SUBTRACTION timed test

x 2 timed test

x 3 timed test

x 4 timed test

x 5 timed test

x 6 timed test

x 7 timed test

x 8 timed test

x 9 timed test

Mixed x #1 timed test

÷ 2 timed test

÷ 3 timed test

÷ 4 timed test

÷ 5 timed test

÷ 6 timed test

÷ 7 timed test

÷ 8 timed test

÷ 9 timed test

Mixed ÷ #1 timed test

Mixed ÷ #2 timed test

Mixed x and ÷ #1 timed test

Mixed x and ÷ #2 timed test

Mixed +, -, x, and ÷ timed test

x 11 timed test

x 12 timed test