Ana bought 16 strawberries. She ate 7 at lunchtime and 5 after school.
How many strawberries does she have left?
Matt had 4 pieces of sushi for lunch. Lee had 6 and Josh had 5.
How many pieces of sushi did they have altogether?
Susana found some coins. She found 2 gold, 9 silver and 8 copper coins.
How many coins did she find altogether?
Eiza had 23 sweets. She gave 6 to Josie and 8 to Mel.
How many sweets did Eliza have left?