Place Value
In the number 15.38, what is the value of the digit 3?
Three tenths
2.7 x 100 =
270
8,700 ➗ 10 =
870
253 mm = _____ cm
25.3 cm
In the number 489.123, what is the value of the digit 3?
Three thousandths
27 x 1,000 =
27,000
8,700 ➗ 100 =
87
253 mm = ____ m
0.253 m
In the numbers 123 and 245, how much bigger is the 2 in the second number?
10 times bigger
8,700 x 0.1 =
870
Sally had the answer 35.65 after dividing a number by 10. What was the original number?
356.5
115 mm = ____ cm
11.5 cm
In the numbers 123.4 and 456.7, how much bigger is the 4 in the second number?
1,000 times bigger!
2.78 x 1,000 =
2,780
Susie had the answer 289 after dividing a number by 10. What was the original number?
2,890
115 mm = _____ m
0.115 m
In the numbers 1,456.5 and 156.45, how much bigger is the 4 in the first number?
1,000 times bigger
What is the relationship between dividing by 10 and multiplying by 0.1?
Both get the same answer!
What is the relationship between dividing by 100 and multiplying by 0.01?
Both answers are the same!
0.249 m = _____ mm
249 mm