Page 145 - NUMINO_WB_2A
P. 145
040-P3-1

Rules in Calendars
Here is a part of a calendar. What number do you get if you add
all the dates of the Tuesdays in May?
May
Sun Mon Tue Wed Thu Fri Sat
1 2 3 45
6 7 8 9 10 11 12

Step 1. The dates get larger by a certain number. By how much
are the numbers changing?

Step 2. Write the dates of all the Tuesdays.
,,,,

Step 3. Find the sum of all the Tuesdays.
   140   141   142   143   144   145   146   147   148   149   150