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N12 · Full next teachingYear 4 Maths · T2 W13–14 · Supplementary / N12

Previous target

V03D

Target

Find the amount in each known group

Flexible time

About 8–12 minutes, or shorter visits; unpiloted suggestion.

Prepare

Use scrap paper, group labels and appropriate large counters, or dictate a complete model to a scribe. Work at a table; no purchase, household data or public performance. Keep teacher worked material separate from blank learner spaces.

Complete new neutral task

For cards shared among activity tables, share 72 items equally among 8 groups. How many items does each group get? Draw the known groups first and label the answer per group.

Specific criterion

Make the stated number of groups first, share the total equally and label the result per group.

Whole teaching sequence

Read the new brief and ask which quantity is missing. Name units before any calculation. Draw exactly the stated number of empty group boxes before moving any marks. Share one round to every box, then use a fact or equal batches to complete the share. Check that the number of boxes did not change.

Build the supplied new example together. Teacher explanation: 72 ÷ 8 = 9 items per group; 8 × 9 = 72 items. Ask the learner to point to the part of the model that supports each quantity. Finding the amount per group is different from finding how many groups can be made, even if both number sentences look alike.

Remove the worked example. Give this changed task privately: Give every one of the 8 groups one extra item. The new total is 80. Find the new amount per group. Offer a different response mode if needed without silently changing the mathematical criterion.

Supplied joint model

72 ÷ 8 = 9 items per group; 8 × 9 = 72 items.

Equivalent offers

Make/draw using original blank group frames.

Explain/sign/point or dictate reasoning.

Type a private note or use paper; a device is optional.

Private changed task after removing model

Give every one of the 8 groups one extra item. The new total is 80. Find the new amount per group.

Staff changed-task possibility

80 ÷ 8 = 10 items per group.

Observe and decide next teaching

Check the changed response against the named criterion, not against speed, spelling or a preferred-looking diagram. Record the exact support given. If the meaning is still unclear, revisit one group or one constraint with a smaller supplied number, record the change and return later to the original demand.