Eureka, engage NY
10,000
1,000
10 X 10
100 X 100
1,000,000
1,000 X 1,000
9 x 103
39 x 104
4.025 X 103
40.25 X 104
Think about the answers to Problems 7 - 14. Explain the pattern used to find an answer when you multiply or divide a whole number by a power of 10. Use the terms: multiplication, division, and exponent in your answer.
(The _________ tells you __________. When you _________ the digits shift ____________ and when you ___________ the digists shift ________
Click and drag the numbers to put them in increasing order.
30
3
300
0.3
3,000
0.03
Click and drag the numbers to put them in decreasing order.
650
6.5
6,500,000
0.065
65,000
Click and drag the numbers to put them in decreasing order.
0.943
9,430
94.3
943
9.43
94,300
Click and drag the numbers to put them in increasing order.
999
999,000
9,990
99,900
9,990,000
99,900,000
Click and drag the numbers to put them in decreasing order.
7.5
7,500,000
750
75,000
750,000,000
0.075
Scott and Mason missed the lesson on exponents. Scott incorrectly wrote 105 = 50 on his paper. Mason incorrectly wrote 2.5 X 102 = 2.500 on his paper.
What mistake did Scott make?
(Scott is thinking 105 means ________. 105 means ________ which is _______.)
What mistake did Mason make?
(Mason should have ___________, but instead he _____________.)