What operation should we use?
Subtraction - We are comparing the number of pages they read so we need to find the difference. (comparing)
What operation should we use?
Subtraction - We are comparing the number of pizzas sold in the day and in the evening so we need to know the difference. (comparing)
What operation should we use?
Addition - We need to add how many walked and how many biked to know how many came to the party. (putting together)
What operation should we use?
Subtraction - We are comparing the points so we need to find the difference. (comparing)
What operation should we use?
Subtraction - We need to subtract the number of girls from the total so we can find out the number of the boys. (taking apart)
What operation should we use?
Subtraction - We need to find out the number of birds left. (taking away)
What operation should we use?
Subtraction - We need to subtract how many she has painted already from how many she needed to paint to begin with. (taking away)
What operation should we use?
Addition - We need to add the cupcakes sold yesterday and today to find out the total. (putting together)
What operation should we use?
Addition - We need to add their baseball cards to find out how many they have altogether. (putting together)
What operation should we use?
Addition - We need to add the grapes and apples to find out the total number of fruits. (putting together)