Front

What is the value of one rod in the ten rods and ones blocks system?

Back

10

Front

What is the value of one block in the ten rods and ones blocks system?

Back

1

Front

How do you represent the number 23 using rods and ones blocks?

Back

2 rods (20) and 3 blocks (3)

Front

What is the total value shown by 3 rods and 4 blocks?

Back

34

Front

In the number 54, what digit represents the tens place?

Back

5

Front

In the number 274, what digit represents the tens place?

Back

7

Front

What is the value of the red digit in 692?

Back

90

Front

How many blocks are needed to represent the number 15?

Back

5 blocks and 1 rod (10) or 15 blocks.

Front

What is the total value shown by 5 rods and 2 blocks?

Back

52

Front

For the number 99, how many rods and blocks are used?

Back

9 rods (90) and 9 blocks (9) or 99 blocks.