$0.69/sprint

• Subtract single-digit numbers from 3-digit multiples of 10

• Subtract multiples of 10 from multiples of 10 within 200

• Subtract multiples of 10 within 200

• Subtract neighboring tens and ones digits within 200

• Subtract 3-digit multiples of 10 within 1,000

• Subtract 99, 98, and 95 from 3-digit numbers

• Subtract multiples of 10 and 100 within 1,000

• Subtract 3-digit numbers with 99, 98, and 95 as ending digits

• Subtract 1 or 2 more or less than a 3-digit multiple of 10