Powers and Exponents
The product of 10 multiplied by itself a number of times.
What is a Power of 10?
643 x 18. Show your work.
600 x 20 = 12,000
15 x 24. Show your work.
15 x 24 = 360. Show me your Area Model for points.
328 x 14
328 x 14 = 4,592
When multiplying multi-digit numbers you can decompose the factors to find...
Partial Products
Write 104 as a multiplication problem.
10 x 10 x 10 x 10
572 x 49. Show your work.
600 x 50 = 30,000
25 x 18. Show your work.
25 x 18 = 450. Show me your area model for points.
251 x 27
251 x 27 = 6,777
To estimate a product you can do what to a number?
Round
Write 10 x 10 x 10 x 10 x 10 x 10 in exponential form.
106
54 x 24. Show your work.
50 x 20 = 1000
245 x 45. Show your work.
245 x 45= 11,025. Show me your area model for points.
376 x 83
376 x 83 = 31,208
This is a set of steps used to solve a problem.
Algorithm
Write 1,000 in exponential form.
103
The classroom has 26 chairs. Each chair cost $32. How much money did the spend on chairs? Show your work.
30 x 30= $900
567 x 71. Show your work.
567 x 71 = 40,257. Show me your area model for points.
3,489 x 51
3,489 x 51 = 177,939
_____ is an approximate solution to a problem.
Estimate
75 x 104 is equivalent to:
75
750
7,500
750,000
750,000
Han estimates that the product of 491 and 32 will be 1,200. Is he correct? Show your work.
No, the answer is 500 x 30 = 15,000
436 x 231. Show your work.
436 x 231= 100,716. show me your area model for points.
4,109 x 19
4,109 x 19 = 78,071
The _____ tells you how many times a number is multiplied by itself.
Exponent