Representing Addition and Subtraction

The number 8 can be made by adding 6 and 2. How else can the number 8 be made?

• 4 + 5

• 9 + 1

• 7 + 2

• 5 + 3

5 + 3 =

• 8

• 5

• 6

125 + 8 =

• 133

• 156

• 257

There were 35 pretzels at a bakery. A baker made 20 more pretzels. The baker then sold 11 pretzels. Which equation shows how to find the number of pretzels there are now?

• 35 + 20+ 11 = ?

• 35 - 20 + 11 = ?

• 35 - 20 - 11 = ?

• 35 + 20 - 11 = ?

An art teacher had 736 crayons. She threw away 197 broken crayons. Then she bought 150 more crayons. Which equation shows how to find the number of crayons the art teacher has now?

• 736-197-150=?

• 736-197+150=?

• 736+197+150=?

• 736+197-150?

Anthony saved $600 to redecorate his apartment. He purchased a chair for $276 and a lamp $79. He also wants to purchase a rug. Which equation can be used to find how much money Anthony has left to spend on the rug?

• $600 + $276 + $79= $952

• $600 - $276-$79= $245

• $600 + $276-$79= $797

• $600 + $79-$276= $403

There were 25 people in a library. Some people left the library and went home. Then there were 13 people remaining in the library. Which number line represents one way to determine the number of people who left the library?

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How many more blue linking cubes than red linking cubes

• 4

• 3

• 7

• 10

Which operation do you use when you need to find the difference of two numbers?

• Subtraction

• Multiplication

• Division

• Addition

How many more red markers does she have than the purple ones?

• 5

• 1

• 3

• 2