[three digits]

Find out how many hundreds a day, a week
Learn three-digit numbers for two days a week
Find out what each digit represents on each day of the week.
Running 4 days a week
Comparison of the sizes of two numbers in 5 days a week (1)
Comparison of the sizes of two numbers in 2 weeks and 1 day (2)
2 weeks and 2 days final calculation

[Addition and Subtraction]

Addition in various ways for 2 weeks and 3 days
(2 digits) + (1 digit) with carry over 2 weeks and 4 days (1)
(2 digits) + (1 digit) with carry over 2 weeks and 5 days (2)
(2-digit number) + (2-digit number) (1) with carry over from 3 weeks to 1 day
(2-digit number) + (2-digit number) (2) with carry over from the 3rd week and 2nd day of work
(2-digit number) + (2-digit number) with carry over to the tens place in 3 weeks and 3 days (1)
(2-digit number) + (2-digit number) with carry over in the tens place for 3 weeks and 4 days (2)
(2-digit number) + (2-digit number) (1) with two carry-overs for 3 weeks and 5 days
(2-digit number) + (2-digit number) (2) with two carry-overs every 4 weeks and 1 day
Subtraction in various ways in 4 weeks and 2 days
(2 digits)-(1 digit) with a 4-week and 3-day down payment (1)
(2 digits)-(1 digit) with 4 weeks and 4 days of down payment (2)
(Dozens) - (Double digits) (1) with a 4-week and 5-day down payment
(Dozens) - (Double digits) with a 5-week 1-day down payment (2)
(2 digits)-(2 digits)(1) with a 5-week and 2-day down payment
(2 digits)-(2 digits) with a 5-week and 3-day down payment (2)
Addition of three numbers in 5 weeks and 4 days
Subtraction of three numbers in 5 weeks and 5 days
Addition and subtraction of three numbers in 6 weeks and 1 day
6 weeks and 2 days: The relationship between addition and subtraction (1)
6 weeks and 3 days: The relationship between addition and subtraction (2)
Finding the value of □ in the 6-week and 4-day addition formula (1)
Finding the value of □ in the 6-week, 5-day addition formula (2)
Finding the value of □ in the 7-week-1-day subtraction formula (1)
Finding the value of □ in the 7-week-2-day subtraction formula (2)
7 weeks and 3 days final calculation

[multiplication]

7 weeks and 4 days combined (1)
7 weeks and 5 days combined (2)
Find out how many times 8 weeks and 1 day (1)
How many times 8 weeks and 2 days are there in a year? (2)
8 weeks and 3 days multiplication formula (1)
8 weeks and 4 days multiplication formula (2)
8 weeks and 5 days final calculation

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