partial products
Solve 324 X 3 using partial products
324
x . 3
_______
12
60
900
Equals 972
My grocery bill was $223 for 3 weeks in a row. About how much money did I spend at the grocery store in those 3 weeks?
223 X 3= $669
Marion sells candies in boxes of 20 and in boxes of 50. If she sells 5 boxes of 20 and 6 boxes of 50, how many candies did Marion sell?
5x20=100
plus
6x50=300
Equals 400 candies
214x3=
Solve any way you choose
642
Multiply 355 X 5 using partial products
355
x . 5
_______
25
250
1500
1775
Is it reasonable to say that 388 X 3 is about 1,200?Explain.
Yes because 388 is close to 400. I multiplied 400 X 3 By multiplying 4 X 3 and adding 2 zeroes.
There are 8 muffins in each box. Maxton's family purchased 34 boxes to share with all of their friends. How many muffins did they buy in all?
34X8=272 muffins
567x6
Solve any way you choose
3402
Use partial products to solve:
412 X 4
412
x .4
_____
8
40
1600 Equals 1648
How can you use rounding to find 789 X 5?
Round 789 to 800 and then multiply 800 X 5
First, I found 8 x 5=40 and then add the 2 zeroes to get 4000.
A pizza shop sold 436 pepperoni pizzas in a month. If they sold the same number of pepperoni pizzas for 5 months in a row, how many total pepperoni pizzas did they sell in those 5 months?
436x5=2180 pepperoni pizzas
512x4
Solve any way you choose
2048
Brayden's Pizza makes 216 pizzas and 23 subs every day. How many items are made in 3 days?
216x3=648
23x3=69
648+69=717 items
or 216 +23=239
239x3=717 items