# Question Video: Matching Subtraction Expressions to Their Difference Mathematics • 1st Grade

Which number sentence is equal to 2? [A] 4 − 2 [B] 5 − 1 [C] 4 − 1 [D] 5 − 2 [E] 3 − 2

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### Video Transcript

Which number sentence is equal to two? Four take away two, five take away one, four take away one, five take away two, or three take away two.

We’re looking for the number sentence which is equal to two. So, we need to work out the answer to each of the number sentences and find the one with the answer two. Let’s start by working out four take away two. Here, we have a ten-frame with four counters inside. We have to take away two. One, two. Four take away two does equal two. The number sentence which is equal to two is four take away two.

Let’s quickly check the other number sentences. Five take away one. We had five. We’ve taken away one. We have four left. So, this number sentence is not equal to two. And four take away one is three. Five take away two leaves us with three. And three take away two leaves us with one. The number sentence which is equal to two is four take away two.