5.2 More Floats & Anchors Practice

Match the following

• 5 - 4

• The submarine starts at 1. Then, you remove 3 floats

• 1 + 3

• The submarine starts at 1. Then, you add 3 floats

• 5 + 4

• The submarine starts at 5. Then, you add 4 floats.

• 1 - 3

• The submarine starts at 5. Then, you remove 4 floats

Match the following

• 2 + (-6)

• The submarine starts at 2. Then, you add 6 anchors.

• 2 - (-6)

• The submarine starts at 2. Then, you remove 6 anchors

• 5 - (-1)

• The submarine starts at 5. Then, you add 1 anchor

• 5 + (-1)

• The submarine starts at 5. Then, you remove 1 anchor

Match the following

• 4 + 1

• Submarine starts at -2. Then, you add 3 floats.

• -2 + 3

• Submarine starts at 4. Then, you add 1 float

• 4 - 1

• Submarine starts at 4. Then, you remove 1 float.

• -2 + (-3)

• Submarine starts at -2. Then, you add 3 anchors

Match the actions that create the same movement

• Adding 6 floats

• Adding 1 float and removing 1 anchor

• Removing 6 floats

• Adding 4 floats

• Adding 2 floats

• Adding 4 anchors

• Removing 4 floats

• Removing 6 anchors

• Removing 4 anchors

• Adding 6 anchors

Which expression matches the following: The submarine starts at 4. Then, you remove 5 floats.

• 4 - 5

• 4 + 5

• 4 + (-5)

Which expression matches the following: The submarine starts at 9. Then, you add 7 anchors.

• 9 - (-7)

• 9 - 7

• 9 + (-7)

Which expression matches the following: The submarine starts at -2. Then, you add 4 floats.

• -2 - (-4)

• -2 + (-4)

• -2 - 4

• -2 + 4

Match the following

• 4 + (-1)

• The submarine starts at 4. Then, you add 1 float.

• 4 + 1

• The submarine starts at 4. Then, you remove 1 float.

• 4 - (-1)

• The submarine starts at 4. Then, you add 1 anchor.

• 4 - 1

• The submarine starts at 4. Then, you remove 1 anchor.

Match the expressions that have the same value

• 3 - (-2)

• 3 + 2

• 4 + (-5)

• 3 - 2

• 4 - (-5)

• 4 - 5

• 3 + (-2)

• 4 + 5

Match with the final value

• - 4

• 1 - 4

• - 3

• 3 - 7

• - 1

• 4 + 1

• 5

• 3 - 2