Access
Show, draw, type, sign, use your usual communication or direct an agreeing helper. Choose quiet/private work, switch a route, pause, pass or finish. One useful part is enough. A helper can read the exact words or scribe your choices; supplying an operation, count, regrouping or reason is mathematical help and is named. No speed, neatness, speech, handling or device requirement.
Day
58
Id
X08
Notice
Ordinary larger optional project, 20–40 minutes or several sittings unpiloted; not proof practical making, independence or whole code attainment.
Numbered moves
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Read the complete fictional source; name wanted quantity and units. Select a representation after checking the day entry.
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Make a source/problem/strategy note. Work the stated problem on own paper or usual communication.
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Compare with a separate adult possibility only after available own work: 254 and 322.
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Build the intended tangible note/puzzle/gallery or exact description. Make a gallery of one or two puzzles with separate solution key; both sides must retain source conditions.
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Try a different stated condition if wanted. Label the first and changed version separately; keep/check/change/pause/finish are choices.
Purpose
Make a gallery of one or two puzzles with separate solution key; both sides must retain source conditions.
Routes
Instruction
State quantities and try one operation with smaller whole counts. Keep actual mathematical help visible.
Name
One useful component
Instruction
Make a gallery of one or two puzzles with separate solution key; both sides must retain source conditions.
Name
A note another maker can read
Instruction
Select one count to change by 10–50 while keeping nonnegative values. State all new conditions, compute and check; an uncomputed change is a plan.
Name
A second version
Complete source
Imaginary equations 176+□=400+30 and 900−250=□+328.
Title
Equal-value puzzle gallery
After own work: adult practice possibility
254 and 322.