A fictional paper store · my response

These words stay only while this page stays open. Reloading, leaving or closing it can lose them. Source help opens here. Use the matching paper mat for a record.

Eligibility

After subtraction with regrouping and inverse checks have actually been taught, e.g. Day 54. Teaching this source makes its later use exposed; receive supported work honestly.

Access and help

Read or sign the exact source and prompts neutrally, enlarge them, or scribe the learner’s chosen words. A figure, operation, regrouping, equation role or check supplied by an adult is mathematical help and is recorded as such. Show, draw, type, sign or use usual communication. One component can be enough; pause/pass/finish are choices. Four own spaces are genuinely empty. Models, criteria and next lessons stay on separate staff pages.

First later limit

First/later are opportunity labels, not fixed order, matches, calibrated difficulty or learning gain. If source/answer exposed, record that rather than claim unseen.

Read or hear the complete source

An imagined paper store starts with 704 cards and uses 168 cards once. Find the cards left. This is a different opportunity after teaching, not an equal-difficulty test form or a progress measure.

What does each count mean, and what number sentence finds cards left?

Find cards left using a strategy you can show.

A made-up note says “subtract each smaller digit from each bigger digit, so 704−168=664”. Keep or repair this method with a reason.

Check your result and explain what it counts.

Matching paper mat: complete source and four prompts · Matching visual mat · Complete text alternative · Separate educator criteria and teaching