Relate Addition and Subtraction to Length

When we add two numbers and do the addition we use the symbol

• +

• -

• =

• x

Taking away a smaller number from the big number is called

• addition

• subtraction

30 and ....... make 100

100 - 30 = .....

• 70

• 60

• 80

Dean got on a train and rode for 4 miles. Then he switched to a different train and rode for 9.8 miles. How far did Dean ride in all?

• Addition

• Subtraction

• Multiplication

• Division

The garden measured 380 inches long. Daniel want to add another 47 inches to his garden. How long will the garden be?

• 427 inches

• 333 inches

• 327 inches

If you have a piece of string that is 12 cm long and you cut off a piece that is 5 cm long, how long is the remaining piece?

• 5 cm

• 7 cm

• 17 cm

A pencil is 7 cm long and a pen is 8 cm longer than the pencil. How long is the pen?

• 15 cm

• 7 cm

• 8 cm

A ladder is 15 meters long. If 3 meters are added to its length, how long is the ladder now?

• 18 meters

• 12 meters

• 15 meters

A ribbon is 45 cm long. If 15 cm are cut from it, and then another piece of ribbon that is 25 cm long is added, what is the total length of the ribbon?

• 55 cm

• 45 cm

• 70 cm

How much longer is the key than the paper clip?

• 3 cm

• 2 cm

• 4 cm

• 1 cm