Vocabulary
When you ______ 4 tens by 3, you get 12 tens.
multiply
6x5=30
so, 5x6=_______
30
12x4=
48
48x2=
96
Martin has 43 tricycles. How many wheels do the tricycles have in all?
129 wheels
When you ___________ 12 tens, you get 1 hundred and 2 tens.
regroup
8x40=8x4 tens
= 32 tens
=________
320
88x5=
440
124x3
372
There are 4 theaters. Each theater has 249 seats. How many seats are there in all?
996 seats
When you multiply numbers, the answer is the __________.
product
7x50= 7x____ tens
=35 tens
=350
5
134x2=
268
203x4
812
Amber and Kaitlin want to sell lemonade. They expect everyone in their neighborhood to buy some. There are 238 houses in the neighborhood with 3 people per house. How many cups should they buy?
714 cups
When multiplying a two-digit number, first multiply the ones then multiply the ____.
tens
9x200=____x2 hundreds
=18 hundreds
=1,800
9
303x2=
606
83x3
249
Rosario collects stickers. He wants to easily count them all. He has 287 sheets with 3 stickers on each sheet. How many stickers does he have?
861 stickers
When multiplying a three-digit number, first multiply the ones, then multiply the tens, followed by the ______.
hundreds
=________________
900
71x2=
142
236x4
944
Nadine and her friend go to a football game. They are amazed that all of the seats in the stadium are full! They want to count how many people are at the game. There are 346 rows of seats and 4 seats in each row. How many people are at the game?
1,384