2-3 TOPIC 4-1 ADD 2-DIGIT PLACE-VALUE BLOCKS

Front

What is a base ten block?

Back

A base ten block is a tool used to teach place value. It represents numbers using blocks for ones, tens, and hundreds.

Front

How many ones are in 72?

Back

72 has 2 ones.

Front

How many tens are in 72?

Back

72 has 7 tens.

Front

What does 18 equal in tens and ones?

Back

18 = 1 ten and 8 ones.

Front

What is the value of 3 tens and 6 ones?

Back

The value is 36.

Front

What addition problem do these blocks represent? 2 tens and 8 ones + 3 tens and 9 ones

Back

28 + 39.

Front

How do you count base ten blocks?

Back

Count the number of tens blocks and the number of ones blocks separately, then combine them.

Front

What is the total of 35 and 29?

Back

The total is 64.

Front

If you have 4 tens and 5 ones, what number do you have?

Back

You have 45.

Front

What is the value of 5 tens and 4 ones?

Back

The value is 54.