Man zählt die vier auf, nur benutzt man Erstklässler-Ausdrücke.

nicht dass ich wüsste. Selbst die an Kinder gerichtete Matheseite oben führt gleich die richtigen Begriffe ein.

Es gibt die 3 Rs, das sind aber sämtliche Grundkenntnisse, Reading, Writing, Arithmetic - also nicht nur Rechnen.

We also say: 30 divided by 3 = 3 into 30 goes 10.
And 4 multiplied by 4 = 4 4s are 16, 4 times 4 = 16
17 minus five: = 17 take away five
7 plus 9 = 7 and nine is 16.

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@spinatwachtel: Danke, d.h. die vier Grundrechenarten werden gleich mit den richtigen Ausdrücken, nämlich "addition, subtraction, multiplication and division", bezeichnet, nicht wahr?

That's right, Robert, but what do children say when they are talking about the four types of operation, i.e. adding, subtracting, dividing and multiplying?

@Robert Wilde: Und wenn Sie ein Kind fragen, "What are the four basic arithmetic operations?", was würde es dann in kindlichem Englisch sagen?

Schoolchildren in the US call the four operations plus, minus, times and divide.
(There is some hesitation/variation; you also hear divided or divided by.)

They also use the first three as verbs in a non-standard way: "What do I do here? Do I plus it, minus it, or times it?"

The official terms are addition, subtraction, multiplication and division.

Hmm. My children are all over 14 (I have four) and have grown up in England. The only thing I remember about this sort of thing is that it's called the 'times-table'. We have never talked about them in the context you mention. When doing home work, addition is 'plus' or 'add', subtraction is 'minus' or 'take away' and multiplication is 'times'. Division is 'divide'.

Just to clarify, I understood the OP as asking for the colloquial, non-standard terms which are actually used by children, especially younger ones new to the subject.

The standard terms taught in school in the US are add, subtract, multiply and divide and one says

3 plus 3, 10 minus 5, 4 times 8, and 12 divided by 3.

@11 Hab ich doch gesagt...!