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?

In this lesson you will learn about number patterns by using skip-

counting to solve problems.

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

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, ___

Marcus has $103 saved up and his grandmother gives him $10 each week. How much will he have in 5 weeks?

counting objects missing number puzzles

word problems

Core Lesson

Sara’s packing 8 party bags with 5 pieces of candy each. How many pieces of candy does she need?

5 5 5 5 5

5 5 55 + 5 + 5 + 5 + 5 + 5 + 5 + 5

= 40Sara needs 40 pieces of candy.

5 pieces = 1 bag

? pieces = 8 bags

Core Lesson

Marcus has $103 saved up and his grandmother gives him $10 each week. How much will he have in 5 weeks?

$103

+ $10 + $10 + $10 + $10 + $10 =

?

$103

+ $10 week 1

$113

+ $10 week 2

$123

+ $10 week 3

$133

+ $10 week 4

$143

+ $10 week 5

$153

$153

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?

5 10 15 20 25

30 35 40 45 50

55

Sara packed 11 bags.

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?

? trays = 50 cookies

Latasha’s dad baked 5 trays of

cookies.

10

20 30 40 50

tray 1 tray 2 tray 3 tray 4 tray 5

1 tray = 10 cookies

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?

You can use skip-counting to solve all

kinds of problems!

In this lesson you have learned about number patterns by

using skip-counting to solve problems.