Lesson 5 Products Beyond 100

- Let’s find products beyond 100.

Warm-up Number Talk: A Number Times Some Multiple of 10

Find the value of each expression mentally.

$8 \times 30$
$5 \times 30$
$10 \times 30$
$15 \times 30$

Activity 1 Elena’s Sticky Gift

Elena receives a sheet of fancy stickers as a gift.

image of a set of stickers. There are 6 rows of 13 different sticker types.

How many stickers are there? Explain or show how you would find out without counting every sticker.

Activity 2 More and More Stickers

Elena has another sheet of stickers that has 9 rows and 21 stickers in each row. How many stickers does Elena have? Explain or show your reasoning.
Noah’s sticker sheet has 3 rows with 48 stickers in each row. Andre’s sticker sheet has 7 rows with 23 stickers in each row.

Who has more stickers? Explain or show your reasoning.

Practice Problem

Problem 1

Mai has a sheet of stickers with 23 rows and 8 stickers in each row.

Does Mai have more or less than 100 stickers? Explain your reasoning.
Find how many stickers Mai has. Explain or show your reasoning.