Multiples of Ten
What is the multiples of ten rule?
The number of zeros in the factor is the same number of zeros in the product (answer).
Solve 12 x 8 using area model
96
Nichole had 9 boxes of makers. There are 4 markers in each box. How many markers does Nichole have?
36 markers
Solve
20 x 6
120
Solve 15 x 12 using area model
180
Natai and his brothers are building a vegetable garden. They measured 21 by 11 feet. What is the area of the garden?
231 feet
Solve
300 x 60
18,000
Solve 20 x 14 using area model
280
Zavion has 180 hot cheetos. Kash says that is four times as many as me. Write an equation to match to best represent this situation
4 x h = 180
If 60 x 50 equals 300, what does 60 x 50,000 equal?
300,000
Solve 21 x 19 using the area model
20 x 10 = 200
20 x 9 = 180
1 x 10 = 10
1 x 9 = 9
399
Ah'Zara says there is 7 hundreds in the number 32,781. Izzy says there are 27 hundreds in the number. Jherni says there are both correct. How so?
Yes
What are the missing numbers?
8 x ___ = 400
8 x ___ = 40,000
8 x ___ = 400,000
50
500
50,000
Solve 34 x 18 using the area model
30 x 10 = 300
30 x 8 = 240
4 x 10 = 40
4 x 8 = 32
612
Ms. Portia says she can solve 27 x 8 by solving (20 x 8) + (7 x 8). Do you agree?
Yes