3 digit addition and subtraction

Front

What is 300 + 248?

Back

548

Front

What is 276 + 511?

Back

787

Front

What is 589 - 267?

Back

322

Front

What is 599 - 364?

Back

235

Front

What do we call the result of an addition?

Back

Sum

Front

What do we call the result of a subtraction?

Back

Difference

Front

What is the first step in adding 3-digit numbers?

Back

Align the numbers by place value.

Front

What is the first step in subtracting 3-digit numbers?

Back

Align the numbers by place value.

Front

If you add 100 to a number, what happens to the number?

Back

It increases by 100.

Front

If you subtract 100 from a number, what happens to the number?

Back

It decreases by 100.