Mystery Rule Chains: Find the Rule
A free printable mystery rule chains: find the rule worksheet with an answer key. Each chain uses the same rule on every arrow. Find the rule, write it in the boxes and fill in the missing numbers. Great for 2nd grade practice at home or in class.
- Size
- US Letter (8.5 × 11 in), fits A4
- 2 pages: the worksheet and its answer key
- Level
- Grade 2
- License
- Free for personal & classroom use
About this worksheet
A free printable mystery rule chains: find the rule worksheet with an answer key. Each chain uses the same rule on every arrow. Find the rule, write it in the boxes and fill in the missing numbers. It fits second grade, around ages 7 to 8.
Tips for using it
- Point at each arrow as you go and say the step out loud: 'twelve, plus three, fifteen'.
- Write small helper numbers next to the circle when a step crosses ten, then erase them.
- When a chain has x and รท, slow down and check that each answer looks reasonable before moving on.
Printing tips
Download the PDF and print at 100% (or “fit to page” on A4). Page 1 is the worksheet and page 2 is the answer key with the answers in red; print just page 1 if you want to keep the answers for checking. The PNG shows page 1 only. Free for personal, family and classroom use.
