ProblemOfTheDayLesson4.3.ppt

1
Lesson 4-3
Marcus buys 5 baseball cards each week. How many
cards will Marcus buy in 4 weeks?
2
Graph all the cards by week and than count all
the cards.
Cards 1 2 3 4 5
Week 1
Week 2
Week 3
Week 4
3
What do we know?
Marcus buys 5 cards each week. How many cards
does he buy in 4 weeks?
Cards
Week 1
Week 2
Week 3
Week 4
4
Count all the cards.
Marcus bought 20 cards all together.
Cards
Week 1 1 2 3 4 5
Week 2 6 7 8 9 10
Week 3 11 12 13 14 15
Week 4 16 17 18 19 20