The calendar helps us to see the dates and with it the day of the week of the identical dates.

Under is the calendar for 2015.

There are 12 months in a yr.

We all know that there are 12 months in a yr. January, March, Might, July, August, October and December have 31 days. April, June, September and November have 30 days. February has 28 or 29 days.

effectively,

Not all months have the identical variety of days.

You possibly can recite the rhyme to recollect the variety of days in several months.

“There are thirty days of September,

April, June and November.

There are solely twenty-eight in February.

All the remaining have thirty-one.

However a intercalary year is available in 1 / 4;

There’s yet another day in February.”

**How do we discover the intercalary year?**

A yr divisible by 4 is a intercalary year.

There are 7 days in every week. 1 day equals 24 hours.

**Instance:**

2002 not divisible by 4 So 2002 isn’t a intercalary year. 2004, 2008, 2012, 2016, 2020, …….. are leap years. |

Calculating Variety of Days Between Two Given Dates.

We are able to rely the variety of days between two given dates. We embrace the beginning day and the final day in our calculation.

Riana stayed at her grandmother’s home from the age of 15.^{pearl} July – 12^{pearl} August. Did Riana keep together with her grandmother lengthy?

Days in July = 31 – 15 = 16 + 1 = 17

days in August = 12

Whole variety of days = 17 + 12 = 29

Riana stayed together with her grandmother for 29 days.

There are occasions after we consider the primary and final day when calculating the times. To calculate Riana’s keep, we subtract 15 from 31 (since July has 31 days) after which add 1 as a result of; We need to embrace 15^{pearl} July on our account.

What’s going to the date be 26 days after Mach 19?

Days in March = 31 – 19 = 12

Days in April = 26 – 12 = 14

26 days after March 19, the date can be April 14.

On this instance, we needn’t take 19 March into consideration, as we’re asking for a date after 19 March.

What was the date two weeks earlier than 10?^{pearl} October?

October days = 10

Days in September (earlier month) = 14 – 10 = 4

30 – 4 = 26

Two weeks earlier than October 10, the date was 26.^{pearl} September.

One fortnight = 14 days.

This calculation is completed in three steps.

**Step I:** October days.

**Step II:** Days within the earlier month (September on this case).

**Step III:** Whole days in September — The variety of days required for September.

On this instance, the times earlier than October 10 should be counted. Due to this fact, we don’t embrace October 10 in our calculation.

When counting the variety of days earlier than or after a given date, we don’t embrace the given date in our calculation, we begin counting from the day earlier than or after the given date, because the case could also be.

Questions and Solutions within the Calendar:

**one.** If yesterday was Friday, the day after tomorrow:

(i) Thursday

(ii) Friday

(iii) Saturday

(iv) Monday

**Reply:**

**one.** (iv) Monday

**2.** Nancy went on a visit together with her household. They got here again after 5 weeks and 4 days. What number of days did they spend on the journey?

(i) 39 days

(ii) 37 days

(iii) 40 days

(iv) 24 days

**Reply:**

**2.** (i) 39 days

**3. Under is the calendar web page for August 2015.**

**Evaluation and write the calendar.**

(i) Dates falling on Saturdays

(ii) The date that falls on the second Saturday

(iii) The date that falls on the final Wednesday

(iv) Dates falling on Tuesdays

(v) Whole quantity

(a) Sundays

(b) on Saturdays

(c) on Mondays

**Reply:**

**3. **(i) 1, 8, 15, 22, 29

(ii) 8

(iii) 26

(iv) 4, 11, 18, 25

(v) (one) 5

(b) 5

(d) 5

**Word:**

If the primary Monday falls on 3, the opposite Mondays fall on 10, 17, 24 and 31.

3 + 7 = 10; 10 + 7 = 17; 17 + 7 = 24; 24 + 7 = 31

So the day is repeated each 7 days.

**Associated ideas **

**● ****Size Measurement Models**

**● ****Measuring Devices**

**● ****To Measure the Size of a Line Section**** **

**● ****Circumference of a Form**

**● ****Mass or Weight Unit**

**● ****Examples of Mass or Weight Models**

**● ****Capability Measurement Models**

**● ****Examples of Capability Measurement**

**● ****Time Measurement**

**● ****Learn a Clock or Clock**

**● ****Antemeridian (am) or Postmeridian (pm)**

**● ****What time is it?**

**● ****Period in Hours and Minutes**

**● ****24 Hour Clock**

**● ****Time Models**

**● ****Instance Time Models**

**● ****time vary**

**● ****Calendar**

**● ****Calendar Studying and Commenting**

**● ****Calendar Guides Us to Know**

**4th Grade Math Actions**

**From the calendar to the HOMEPAGE**

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