The first week of January it snowed 12 inches. The next week it snowed 16 inches. How many inches has it snowed in all?

Michael has 25 pictures in an album. Cristian has 43 pictures in album. How many pictures do they have in all?

In 2014 there were 74 days of sunshine in the summer. In 2015 there were 92 days of sunshine in the summer. How many more days of sunshine were there in 2015?

There are 12 girls and 8 boys at the playground. How many children are there at the playground?

Seri has 40 white beads. Amin has 22 red beads. How many beads do they have altogether?

There are 16 pink flowers and12 purple flowers in vase. How many flowers are there in all?

There are 26 tomatoes in a basket. Ali puts 12 tomatoes in the basket. How many tomatoes are there altogether?

Difference means to...

combined means to...