Addition and Subtraction to 30

​Story Problems!

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Key words that tell us we are ADDING

​Key words that tell us we are SUBTRACTING

Word Cloud

Do these words mean to subtract or add?

How many more

Difference

Went away

Fewer

Shorter

​Let's Practice!

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​We're trying to find the difference.

​Let's Practice!

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​Monica has three dogs. The weights of the dogs are 104 pounds, 30 pounds, and 63 pounds. What is the total weight of the three dogs?

​Let's Practice!

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A cargo truck is carrying 129 packages. It picks up another 38 at the depot. How many packages are on the truck?

Multiple Choice

Leo has to read an 89 page book for class. He has read 42 pages so far. How many more pages does he have left?

• 131

• 47

• 57

Fill in the Blank

A water filter is advertised to be useful for 285 uses. Mr. Gower used it 35 times last month and 47 times this month. How many uses does the filter have left?

Fill in the Blank

Barb swam 42 laps on Saturday and 68 laps on Sunday. How many laps did she swim in total this weekend?