Number Sense

Front

What is expanded form?

Back

Expanded form is a way to write numbers by showing the value of each digit. For example, 107 in expanded form is 100 + 0 + 7.

Front

Write 107 in expanded form.

Back

100 + 0 + 7

Front

What number plus 35 equals 40?

Back

5

Front

If you have 47 and add 8, what do you get? Is it equal to 65 minus 10?

Back

Yes, 47 + 8 = 55 and 65 - 10 = 55, so they are equal.

Front

Which is greater: 669 or 659?

Back

669 is greater than 659.

Front

Which is less: 458 or 547?

Back

458 is less than 547.

Front

What does the symbol '>' mean?

Back

The symbol '>' means 'greater than'.

Front

What does the symbol '<' mean?

Back

The symbol '<' means 'less than'.

Front

What does the symbol '=' mean?

Back

The symbol '=' means 'equal to'.

Front

If you have 10 apples and give away 5, how many do you have left?

Back

You have 5 apples left.