Lesson 3.4 · Making a year calendar
Hua's Classroom for Shanghai Maths — One Lesson One Exercise (English edition, pages 52–54).
Lesson Alignment
How this Shanghai Maths lesson connects to learning goals, Common Core, and Eureka Math.
Learning Objectives
Students will be able to:
- 01Deduce weekdays from a given date to start next year.
- 02Construct a full-year calendar month by month.
- 03Locate holidays’ dates and weekdays on the calendar.
- 04Solve related enhancement calculations.
Common Core Standards
| Code | Standard (focus for this lesson) |
|---|---|
| 3.MD.A.1 | Time / calendar problem solving. |
| 3.OA.D.8 | Multi-step reasoning. |
| 3.NBT.A.2 | *(related)* Counting on / back days. |
Eureka Math Correspondence
| Shanghai Maths | Focus | Eureka Math |
|---|---|---|
| Calendar construction | Weekday chains | Spatial / sequential reasoning |
| Holidays | Read a calendar | Application |
Core Concepts
Make next year’s calendar from a known weekday, then locate holidays.
Building a Year Calendar
- Given: 30 December this year is a certain weekday.
- Find what weekday 1 January next year is.
- Fill month grids (Sun–Sat) for Jan–Dec, watching February length.
Finding Holidays
From the finished calendar, read each holiday’s date and weekday.
Enhancement Links
Floor-walking time (equal intervals) and open number sentences — keep fluency warm while calendar work is main.
Key Terms & Definitions (Reference)
Quick glossary for this lesson.
| Term | Definition |
|---|---|
| Calendar grid | Week columns with dates filled in. |
| Anchor date | A known date used to find other weekdays. |
Key Answers
Quick reference for this lesson’s exercise answers.
1. 30 Dec = Sunday → next year starts Tuesday (common year calendar in book).
2. New Year 1 Jan Tue; Labour 1 May Wed; Children’s 1 Jun Sat; Teachers’ 10 Sep Tue; National 1 Oct Tue; lunar festivals depend on year.
3. 420; 3800; 1318; 1500; 7864; 420.
4. Floors: $48\div3=16$; to 6th floor = 80 s.
5. $10234-9676=\mathbf{558}$.