# An estimate is a check, not a receipt

Choose and explain rounding or bounds, then recognise when an exact calculation is needed near a budget limit.

## Choose one job

### A

Four pretend kits cost $18 each, plus one $7 fee. The budget is $80.

[Use this complete brief](../ordinary/day-67-A.html)

### B

Six pretend sets cost $17 each, plus one $9 fee. The budget is $110.

[Use this complete brief](../ordinary/day-67-B.html)

### C

Eight pretend packs cost $23 each, plus one $12 fee. The budget is $200. Explain why rounding down to $170 is not enough to decide.

[Use this complete brief](../ordinary/day-67-C.html)

## Make your own plan

Make/draw, talk/sign/point/dictate, type or use paper. Label what each quantity counts. Check your work and make a useful message for the organiser. Try one instruction at a time, a quiet place, a pause or larger pieces. A/B/C are choices, not labels for people.

[My four-space worksheet](../worksheets/W07.html) · [Ordinary blank mat](../assets/aids/V14.svg) · [Full mat alternative](../assets/aids/V14.alt.html) · [Plan Bench](../tool/index.html)

Optional: [Home job](../home/H07.html) · [Project job](../projects/X07.html)