Grade 2 · Math · Subtraction Within 1000 · Challenge
Build Grade 2 subtraction accuracy by solving 20 challenge problems within 1,000, checking each difference against the complete answer key.
- Questions
- 20
- Pages
- 3
- Paper
- letter
- Answer key
- Included
Common Core standards practiced
- 2.NBT.B.7 Add and subtract within 1,000
Answer key included on page 3.
What students practice
This verified Challenge Grade 2 worksheet contains 20 horizontal subtraction problems. The largest minuend is 870, and every checked difference is nonnegative.
PDF and answer key
The 3-page US Letter PDF has 2 activity pages followed by a complete answer key on page 3. The preview shows the first activity page.
How to use this worksheet
Ask the learner to estimate first, subtract by place value, and check a difficult item by adding the difference back to the subtrahend before consulting the answer key.