Front

What is a number line?

Back

A number line is a straight line that shows numbers in order, with equal spaces between them.

Front

What number comes after 10 on a number line?

Back

11

Front

What number comes before 10 on a number line?

Back

9

Front

How do you find a missing number on a number line?

Back

Look at the numbers around the box and find the number that fits in between.

Front

What does it mean to decompose a number?

Back

To decompose a number means to break it down into smaller parts or addends.

Front

What is the sum of 50 and 5?

Back

55

Front

What is the equation for the number line that shows 3 + 12 = ?

Back

15

Front

If you have 36 base-ten blocks, how many tens and ones do you have?

Back

3 tens and 6 ones.

Front

What is the value of the number represented by 50 + 5?

Back

55

Front

Which two numbers are between 16 and 18 on a number line?

Back

17.