Topicm8f2bc87aa53f8ded_1528449000663_0Topic

Calendar calculations

Levelm8f2bc87aa53f8ded_1528449084556_0Level

Second

Core curriculumm8f2bc87aa53f8ded_1528449076687_0Core curriculum

XII. Practical calculation. The student:

4) does the simple calendarcalendarcalendar calculation involving days, weeks, months, years.

Timingm8f2bc87aa53f8ded_1528449068082_0Timing

45 minutes

General objectivem8f2bc87aa53f8ded_1528449523725_0General objective

Matching a mathematical model to a simple situation and using it in practical context.

Specific objectivesm8f2bc87aa53f8ded_1528449552113_0Specific objectives

1. CalendarcalendarCalendar calculations involving days, weeks, months, years.

2. Solving the text tasks concerning calendar calculations.

3. Communicating in English; developing mathematical and basic scientific, technical and digital competences; developing learning skills.

Learning outcomesm8f2bc87aa53f8ded_1528450430307_0Learning outcomes

The student:

- does the calculations involving days, weeks, months, years,

- solving the text tasks concerning calendar calculations.

Methodsm8f2bc87aa53f8ded_1528449534267_0Methods

1. Game class.

2. Situational analysis.

Forms of workm8f2bc87aa53f8ded_1528449514617_0Forms of work

1. Work in pairs.

2. Group work.

Lesson stages

Introductionm8f2bc87aa53f8ded_1528450127855_0Introduction

The students give the examples of situations connected with expressions: calendarcalendarcalendar, yearyearyear, month, day, week, centurycenturycentury, todaytodaytoday, yesterdayyesterdayyesterday, tomorrowtomorrowtomorrow.

Procedurem8f2bc87aa53f8ded_1528446435040_0Procedure

The teacher introduces the topic of the lesson: developing the skills of doing the calendar calculations.

The students work in pairs. They take part in a game called „With the calendar on the best terms” and answer the questions. The winner is the pair who gives the correct answers in the shortest time.

1. How many months are there in the yearyearyear?
2. How many days are there in a leap year?
3. How many days are there in February?
4. How many days are there in October?
5. What months have got 31 days?
6. What months have got 30 days?
7. How many years are there in the centurycenturycentury?

[Slideshow]

The students work individually using their computers. They are going to watch the methods of calendarcalendarcalendar calculations. 

The students estimate how many days there are in the particular quarters. They write the conclusion.

Conclusion:

- There are 4 quarters in a year, there are 3 months in every quarter.
- First quarter has got 90 or 91 days, the second quarter has got ma 91 days, the third quarter has got 92 days and the fourth quarter has got 92 days.m8f2bc87aa53f8ded_1527752256679_0- There are 4 quarters in a year, there are 3 months in every quarter.
- First quarter has got 90 or 91 days, the second quarter has got ma 91 days, the third quarter has got 92 days and the fourth quarter has got 92 days.

The students use the information they have got to solve the tasks.

Task 1

Specify the day of the week which:

a) will be in three days’ time,
b) will be in two weeks and 5 days,
c) will be in 40 days,
d) was 5 days ago,
e) was 3 weeks and one day ago,
f) was twelve days ago.

Task 2

The first day of the fourteen‑day camp was 29th of June. When did the camp finish?

Task 3

Decide what centurycenturycentury it is.

a) 432,
b) 1025,
c) 1410,
d) 1996,
e) 2000,
f) 2018.

An extra task:

1Indeks górny st^st of January in a leap yearyearyear was on Thursday. What day of the week was the 1Indeks górny st^st of January the following year?

Lesson summarym8f2bc87aa53f8ded_1528450119332_0Lesson summary

Students do the exercises summarizing the class.

Then, together they sum up the classes, drawing the conclusions to memorize:

- The ordinary year has got 365 days.
- The leap year has got 366 days.
- There are 4 quarters in a year, there are 3 months in every quarter.
- First quarter has got 90 or 91 days, the second quarter has got ma 91 days, the third quarter has got 92 days and the fourth quarter has got 92 days.
- There are 100 years in the century.m8f2bc87aa53f8ded_1527752263647_0- The ordinary year has got 365 days.
- The leap year has got 366 days.
- There are 4 quarters in a year, there are 3 months in every quarter.
- First quarter has got 90 or 91 days, the second quarter has got ma 91 days, the third quarter has got 92 days and the fourth quarter has got 92 days.
- There are 100 years in the century.

Selected words and expressions used in the lesson plan

calendarcalendarcalendar

centurycenturycentury

yearyearyear

tomorrowtomorrowtomorrow

yesterdayyesterdayyesterday

todaytodaytoday