Define the concept of terms on a given sum Define the difference Define the conc

Question

Define the concept of terms on a given sum Define the difference Define the concept of terms on a given difference Explain how every statement about subtraction corresponds to a statement about addition Explain briefly the "adding to" interpretation of additions and its subtypes Explain briefly the "taking from" interpretation of subtractions and its subtypes Explain what are "change problems" for addition and subtraction Explain what are "part-part-whole" problems Briefly describe the subtypes of put together/take apart problems What are compare problems for addition and subtraction? What are their subtypes? Explain the concept of a "situation equation" How do we manage additions such as V2 + V5?

Explanation / Answer

1.

The sum of two numbers is the answer you get when you add them both together. So the sum of 5 and 4 is 9.

There was a time when teachers used the word 'sum' to name the following addition number sentence:

9 + 5 = 14

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