Patterns in multiplication
10 x 100
1000 (one thousand)
900 / 300
3
O O X O O X O _ _ _
What are the next three terms?
O X O
8, 16, 24, 32, 40, 48
What is the pattern rule?
skip count by 8/ add 8 each time
One cupcake costs $2. How much will you spend to buy 10 cupcakes?
$20
80 x 9
720
15000 / 5
3000
I I - - I I - -
What is the 15th term of the pattern?
-
120, 60, 30, 15
What is the pattern rule?
divide by 2 each time
One book costs $5. Two books costs $10. Three books cost $15. How much will it cost to buy 5 books?
$25
What you do to the zeros when you multiply two different numbers that are multiples of 10?
(E.g., 90 x 100)
add the zeros in the equation
What do you do to the zeros when you divide two different numbers that are multiples of 10?
(E.g., 20 / 10)
subtract the zeros
O % X X O % X X
What is the 17th term in the pattern?
O
1, 2, 4, 5, 7, 8, 10
What is the pattern rule?
alternate adding 1, and adding 2
Ice cream and dollar amount ($)
700 x 9000
6300000 (six million, three hundred thousand)
30000 / 60
500
clap, snap, clap, snap, clap, snap, clap, snap
What is the 20th term?
snap
2, 4, 3, 6, 5, 10, 9, 18, 17
What is the pattern rule?
alternate multiplying by two, and subtracting one?
A Chromebook and mouse costs $300. How much will it cost to buy 60 Chromebooks?
$18000 (eighteen thousand dollars)
1200 x 700
840000 (eight hundred and forty thousand)
70000 / 20
3500 (three thousand, five hundred)
stomp, tap, snap, stomp, tap, snap, stomp, tap, snap
What is the 61st term?
stomp
1, 3, 7, 15, 31, 63
What is the pattern rule? (Hint: there are 2 different operations)
multiply by two and add one each time
Summer camp for the grade 5s costs $4200. How much will it cost for each student if 60 students go to camp?
$70 per student