Question Video: Completing Subtraction Sentences with Numbers up to 20 Mathematics • Second Year of Primary School

Video Transcript

Fill in the blank. 16 take away four equals what?

We can use a number line to help us subtract. When we’re subtracting on a number line, we count back. In this question, we need to start at 16 on the number line and we need to count back four, one, two, three, four. We landed on number 12. 16 take away four equals 12. We started at 16. We counted back four on the number line. And we finished on number 12. 16 take away four equals 12.