# V04 · Connect an efficient strategy to a multiplicative model

Choose ONE source. Four genuinely empty spaces: My model; My number sentence and strategy; My check; My useful message.

## V04A · Full neutral source

For caption cards for art folders, 4 groups need 13 items each. Find the total using an efficient strategy and explain how its parts appear in the model.

[Matching four-space paper](../paper/V04A.html)

## V04B · Full neutral source

For labels for repair kits, 3 groups need 18 items each. Find the total using an efficient strategy and explain how its parts appear in the model.

[Matching four-space paper](../paper/V04B.html)

## V04C · Full neutral source

For tokens for game packs, 6 groups need 14 items each. Find the total using an efficient strategy and explain how its parts appear in the model.

[Matching four-space paper](../paper/V04C.html)

## V04D · Full neutral source

For picture cards for learning trays, 5 groups need 19 items each. Find the total using an efficient strategy and explain how its parts appear in the model.

[Matching four-space paper](../paper/V04D.html)

Use same-page full disclosures; keep a copy before ordinary leaving/reload. No staff model or criterion belongs in this own route.