1. How can I use skip-counting to solve problems? Sara’s packing 8 goodie bags with 5 pieces of candy each for a class party. How many pieces of candy does she need?

2. In this lesson you will learn about number patterns by using skip- counting to solve problems.

3. Let’s Review -10 -10 -10 -10 +10 +10 +10 +10 Skip-count forward – repeated addition. 738, 748, 758, 768, 778 Skip-count backwards – repeated subtraction. 778, 768, 758, 748, 738

4. A Common Misunderstanding Thinking skip-counting is fun, but forgetting to use it to solve problems. 5, 10, 15, 20 1.14, 24, ___, 44, ___ 2.100, 95, 90, ___, ___ 3.2, __, 6, 8, ___ 1.14, 24, ___, 44, ___ 2.100, 95, 90, ___, ___ 3.2, __, 6, 8, ___ Marcus has $103 saved up and his grandmother gives him $10 each week. How much will he have in 5 weeks? c o u n t i n g o b j e c t s m i s s i n g n u m b e r p u z z l e s word problems

5. Core Lesson Sara’s packing 8 party bags with 5 pieces of candy each. How many pieces of candy does she need? Sara’s packing 8 party bags with 5 pieces of candy each. How many pieces of candy does she need? 5 5555 5 55 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 = 40 Sara needs 40 pieces of candy. 5 pieces = 1 bag ? pieces = 8 bags

6. Core Lesson Marcus has $103 saved up and his grandmother gives him $10 each week. How much will he have in 5 weeks? $10 3 + $ 10 + $ 10 + $10 + $10 + $10 = ? $10 3 + $10 week 1 $11 3 + $10 week 2 $12 3 + $10 week 3 $13 3 + $10 week 4 $14 3 + $10 week 5 $15 3 $15 3

7. Core Lesson Sara’s packing party bags with 5 pieces of candy each. She used 55 pieces of candy. How many bags did she pack? Sara’s packing party bags with 5 pieces of candy each. She used 55 pieces of candy. How many bags did she pack? 510152025303540455055 Sara packed 11 bags.

8. Core Lesson Latasha’s dad was baking cookies for her on Sunday. Each tray holds 10 cookies. He baked 50 cookies altogether. How many trays of cookies did Latasha’s dad bake? Latasha’s dad was baking cookies for her on Sunday. Each tray holds 10 cookies. He baked 50 cookies altogether. How many trays of cookies did Latasha’s dad bake? ? trays = 50 cookies Latasha’s dad baked 5 trays of cookies. 10 20 304050 tray 1tray 2tray 3tray 4tray 5 1 tray = 10 cookies

9. Core Lesson Sara’s packing 8 party bags with 5 pieces of candy each. How many pieces of candy does she need? Marcus has $103 saved up and his grandmother gives him $10 each week. How much will he have in 5 weeks? Latasha’s dad was baking cookies for her on Sunday. Each tray holds 10 cookies. He baked 50 cookies altogether. How many trays of cookies did Latasha’s dad bake? Y o u c a n u s e s k i p - c o u n t i n g t o s o l v e a l l k i n d s o f p r o b l e m s !

10. In this lesson you have learned about number patterns by using skip-counting to solve problems.