Does your teacher send a count of the number of lunches your class orders to the cooks in the cafeteria?
The lunch count is a way to use addition and subtraction in real life to be sure every child has a lunch for the day!
Lunch Count
__7__Buy hot lunch
__3__Buy alternate menu
__2__Buy soup & sandwich
__1__Buy P B & J
__4__Buy milk only
+ __3__ Nothing needed
____ Total
Choose:
10 children 13 children
12 children
7 children
Explanation 7 + 3 + 2 + 1 = 13
7 children 8 children 4 children 3 children
Explanation 4 + 3 = 7
How many more children are buying lunch than bringing their lunch?
8 children 5 children 10 children 7 children
Explanation Step 1: add the children who are buying lunches. 7 + 3 + 2 + 1 = 13 Step 2: Add the number of children who brought their lunch. 4 = 3 = 7 Step 3: Subtract 13 - 7 = 8 8 more children are buying than bringing thier lunch
10 children 8 children 7 children 6 children
Explanation 7 - 1 = 6
10 children 3 children 4 children 7 children
Explanation 4 + 3 = 7 7 children
25 children 23 children 22 children 24 children
Explanation 7 + 3 + 2 + 1 = 23 There are 23 children in the class.
Click on the boy working on his math below to review the lesson.
Julie C. Burger, 2003
This site is best viewed with Internet Explorer Oswego City School District Copyright © 2001-03 New York State Elementary Test Prep Center