Digits are quantitiesYear 4 Maths · T2 W11–12 · Supplementary / Next07

Access

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.

Complete different guided source

An imaginary game uses 37 of 82 tokens.

Complete new source

A fictional theatre has 63 tickets and uses 28. A wrong note gives 45 from 6−2 and 8−3.

Complete own invitation

A pretend craft store uses 46 of 91 labels.

Entry and teach

Use a place-value representation, not digit-size swapping.

Guided instruction

45 left; 7 tens 12 ones−3 tens 7 ones. Compare original 82−37 with wrong digit-swapping 55. Invite each relationship before the answer; teach missing facts and name help.

Id

NEXT07

Materials

Broad paper/empty bar or line/place-value headings as useful; usual communication; no actual stock/handling/purchase.

Observe and follow up

Receive one available own relationship before staff possibility. If it matches criterion, offer another small new context later; this is not automatic mastery. If not, return to the entry relationship and fade one hint. Record the actual mathematical help. If access/time is not available, change access or sitting rather than marking wrong.

Relationship to check

Teach the observed missing relationship in a new ordinary domain; not an answer repetition or further held item.

Session sequence

1. Read the new source and name units/wanted quantity. Use a place-value representation, not digit-size swapping.

2. Model on separate adult paper. 63=5 tens 13 ones; subtract 2 tens 8 ones=35. Reversing only the ones changes the operation.

3. Guide a different complete source. An imaginary game uses 37 of 82 tokens. 45 left; 7 tens 12 ones−3 tens 7 ones. Compare original 82−37 with wrong digit-swapping 55.

4. Receive one own attempt. A pretend craft store uses 46 of 91 labels. Staff reference only: 45 left; 4 tens 5 ones after regroup.

5. Compare available work with: Repair rejects direction-changing digit subtraction and supplies a quantity-preserving method. Choose one follow-up offer; never infer independence from a copied model.

What to look for

Repair rejects direction-changing digit subtraction and supplies a quantity-preserving method.

Staff own possibility

45 left; 4 tens 5 ones after regroup.

Teacher model

63=5 tens 13 ones; subtract 2 tens 8 ones=35. Reversing only the ones changes the operation.

Timing

An adjustable 10–20 minute ordinary lesson, unpiloted; split/stop after one useful part.

Title

Digits are quantities