Powers of 10
The exponent in a power of ten
What is the amount of zeros that goes behind the whole number?
100 x 5
What is 500?
23 to the nearest ten
What is 20?
100 x 35
What is 3,500?
632 x 24 =
What is 600 x 20 = 12,000
10 x 10
What is 100?
7 x 7
What is 49?
555 to the nearest hundred
What is 600?
Explain how to find the product of 55 x 104
What is multiply 55 times by 1 then add the number of zeros which I can get from the exponent?
32 x 598
What is 30 x 600 = 18,000
105
What is 100,000?
12 x 5
What is 60?
On a number line, 63 is closer to
What is 60?
Number of zeros in the product of 79 x 100,000; Number of zeros in the product if 20 x 100,000
What is 5 zeros?
19 x 198
What is 20 x 2 =40
What is 20 x 20 = 400
What is 20 x 200 = 4,000
What is overestimate?
10 to the 7th power
What is 10,000,000?
30 x 90
What is 2,700?
989 to the nearest ten
What is 990?
72 x 1 =
72 x 100 =
72 x 10,000 =
What is 72?
What is 7,200?
What is 720,000?
100
What is 1
What is product?
1,485 to the nearest hundred
What is 1,500?
Equivalent to multiply a number by 104
What is multiplying by 10,000?
Susan used rounding to estimate 24 x 413 and found 20 x 400. Jeremy used compatible numbers and found 25 x 400. Whose method gives an estimate closer to the actual product.
Explain