Numeric Response



A
baby boa constrictor grew 0.7 metres in a year. After 2 years, it grew to 1.2 metres. After 3
years, it grew to 1.5 metres. After 4 years, it grew to 1.9 metres.

 1.  How
many metres did the snake grow between the first year and the fourth year?

 2.  How
many metres did the snake grow between the first year and the second year?

 3.  How
many metres did the snake grow between the second year and the fourth year?

 4.  How
many metres did the snake grow between the third year and the fourth year?



Find the difference in lengths.

 5.  5.6
cm  3.7 cm = ____ cm.

 6.  7.3 m
 1.6 m = ____ m.

 7.  3.6
cm  2.1 cm = ____ cm.



Find the difference.

 8.  8.0 
3.4 = ____.

 9.  18.1
 5.2 = ____.

 10.  17.0
 3.3 = ____.
