To make this more explicit, mathematics (even at the primary school level) is arguably more about “proving” things than it is about computation. Obviously you’

To make this more explicit, mathematics (even at the primary school level) is arguably more about “proving” things than it is about computation. Obviously you’re not writing proofs in 3rd grade, but the emphasis should be on students being able to say why their answer is correct rather than just being able to produce the correct answer.