Down at the beach

This task is about addition and subtraction with number sentences.
beach bucket and spade.png
Nina's class went to the beach.

Question 1Change answer

a)  Here are all the shells Nina's class found at the beach.

first type of shell
42 shells
second type of shell
34 shells
third type of shell
27 shells
Write an equation in the box below for the number of shells they found.
Put the answer with your equation.
Answer: 

Question 1Change answer

seal
b)  The class saw 48 seals on the rocks, but 19 swam away. 
Write an equation in the box for the number of seals that were left.
Put the answer with your equation.
Answer: