Counting Back Strategy in Subtraction

The video tutorial introduces a subtraction strategy called counting back or jumping backwards. It covers skills such as decomposing and grouping numbers, similar to the fact family and grouping by tens. An example problem is presented where children on a bus are used to illustrate the subtraction process.

What is the name of the subtraction strategy introduced in the video?

• Counting forward

• Adding up

• Counting back

• Jumping forward

Which skill is NOT mentioned as necessary for the counting back strategy?

• Grouping numbers

• Representing numbers

• Decomposing

• Multiplying numbers

What is one of the skills used in the counting back strategy?

• Adding

• Dividing

• Multiplying

• Decomposing

If there are 10 children on the bus and 3 get off, how many are left?

• 7

• 8

• 5

• 6

What should you imagine to solve the problem of children getting off the bus?

• Children staying on the bus

• Children getting on the bus

• Children going away

• Children running around