Base ten blocks (hundreds, tens, and ones)
Mini whiteboards and markers
Paper and pencils
Fraction and decimal conversion chart (optional)
Introduction (10 minutes):
Explain the concepts of tenths and hundredths.
Discuss how 10/100 is the same as 1/10 and how there are 10 tenths in one whole.
Demonstration (10 minutes):
Use a hundreds block to represent one whole (1).
Show that if we divide the hundreds block into 100 smaller pieces, each piece represents one-hundredth (0.01).
Demonstrate that 10 of these hundredths blocks can be combined to form one-tenth (0.1), using a tens block to represent this.
Hands-On Practice (20 minutes):
Distribute base ten blocks to each student.
Have students use the blocks to build and compare 10/100 and 1/10:
Start by having them take 10 ones blocks to represent 10/100.
Next, have them use a tens block to represent 1/10.
Encourage them to compare the two representations and recognize that they are equivalent.
Ask students to build one whole using ten tens blocks, demonstrating that there are 10 tenths in one whole.
Visualization and Comparison (10 minutes):
Allow students to visually compare the different blocks and understand the equivalency.
Discuss how this visual representation helps in understanding the relationship between fractions and decimals.
Reflection and Discussion (10 minutes):
Engage students in a discussion about what they learned. Ask questions like: “How do the base ten blocks help you understand that 10/100 is the same as 1/10?” and “Why is it important to understand that there are 10 tenths in one whole?”
Summarize the activity and reinforce the concept of decimal equivalency using base ten blocks.
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