Mathematics · Grade 4

Active learning ideas

Exploring Place Value to 10,000

Active learning helps students grasp the abstract concept of place value by making large numbers concrete and manipulable. When students physically move digits or blocks, they see how each position changes a number’s value, building lasting understanding beyond memorization.

• Ontario Curriculum Expectations
• CCSS.MATH.CONTENT.4.NBT.A.1

• 15–50 min
• Pairs → Whole Class
• 3 activities

Activity 01

• Stations Rotation
• 40 min · Small Groups

Stations Rotation: The 10,000 Challenge

Set up four stations where students use different tools to represent the same four-digit number: base-ten blocks, place value chips, expanded form cards, and a 'money' station using Canadian $10 and $100 bills. Students rotate and check if the value remains constant across all representations.

Explain how the value of a digit changes when it moves one position to the left.

Facilitation Tip

During The 10,000 Challenge, circulate and ask guiding questions like, 'How did you decide where to place that block to reach 10,000?' to keep students focused on place value reasoning.

What to look for

Present students with a number like 7,391. Ask: 'What is the value of the digit 3? What is the value of the digit 7? If you moved the 7 one place to the left, what number would it represent?'

• Remember
• Understand
• Apply
• Analyze
• Self-Management
• Relationship Skills

Activity 02

• Think-Pair-Share
• 15 min · Pairs

Think-Pair-Share: Secret Number Logic

Give students a set of clues like 'I have 45 hundreds and 3 ones.' Students independently determine the number, compare their reasoning with a partner, and then share their strategies for decoding non-standard place value descriptions with the class.

Compare the utility of representing the same number in expanded versus standard form.

Facilitation Tip

In Secret Number Logic, provide sentence stems such as, 'I know it’s larger because...' to scaffold precise mathematical language.

What to look for

Give students a card with a number (e.g., 5,000). Ask them to write the number in expanded form and then draw a picture using base-ten blocks or drawings to show the difference in size between this number and 1,000.

• Understand
• Apply
• Analyze
• Self-Awareness
• Relationship Skills

Activity 03

• Inquiry Circle
• 50 min · Whole Class

Inquiry Circle: Building a Myriad

Students work together to create a visual representation of 10,000 using small items like seeds or graph paper squares. They must organize their items into groups of 10, 100, and 1,000 to demonstrate how place value helps us manage massive quantities.

Visualize the difference in magnitude between one thousand and ten thousand using models.

Facilitation Tip

For Building a Myriad, ensure each group has a shared workspace so students can collaboratively build, compare, and revise their models as they work.

What to look for

Pose the question: 'Is 10,000 just one more thousand than 9,000, or is it much bigger? Explain your thinking using the idea of place value and how many thousands are in ten thousand.'

• Analyze
• Evaluate
• Create
• Self-Management
• Self-Awareness

A few notes on teaching this unit

Teach place value by connecting physical, pictorial, and symbolic representations. Start with base-ten blocks for concrete understanding, move to place value mats for semi-concrete work, and finally use numbers and expanded form for abstract thinking. Avoid rushing to procedural rules; instead, emphasize why each place is ten times the next. Research shows students need repeated exposure to large numbers to overcome the misconception that more digits always mean a larger number.

Students will confidently identify the value of digits in numbers up to 10,000 and explain the multiplicative relationship between place values. They will also justify their reasoning using visual models and peer discussions.

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Watch Out for These Misconceptions

• During Building a Myriad, watch for students who omit the zero in numbers like 4,052, writing 452 instead. Ask them to use base-ten blocks to build 4,052 and observe that the zero block in the hundreds place is necessary to keep the thousands block in the correct position.

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Methods used in this brief

• Stations Rotation
• Think-Pair-Share
• Inquiry Circle