Less Challenging

• Subtract within 200 (3)

• Subtract 10 & 100 from 3-digit numbers

• Subtract within 100 taking from the 10

More Challenging

• Sub 3-digit #s ending in 99, 98, & 95

• Sub 1 or 2 less than a multiple of 10

About This Sprint

Students should be comfortable with the following strategies before taking this Sprint:

• Subtract 100, add 1, e.g.

384 - 99 is 384 - 100 + 1

• Subtract 100, add 2, e.g.

436 - 98 is 436 - 100 + 2

• Subtract 100, add 5, e.g.

817 - 95 is 817 - 100 + 5