1. Problem:

Olivia has seven number cards, each with a positive number. The numbers are 6,9,4,12, , ,

• The range of the numbers is 10
• The mode is 9.

Work out the three missing numbers.

 

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2. Problem:

Ella has six number cards: 7,12,8, , ,

• The range of the numbers is 9.
• The mode is 8.

Work out the three missing numbers.

 

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3. Problem:

Leo has five cards: 3,7, , ,

• The range of the numbers is $8$.
• The mode is $3$.

Work out the three missing numbers.

 

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4. Problem:

Sophia has six cards: 2,6,9, , ,

• The range of the numbers is 10.
• The mode is $9$.

Work out the three missing numbers.

 

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5. Problem:

Daniel has seven cards: 5,11,7, , , ,
The range of the numbers is $10$.

• The mode is $11$.

Work out the four missing numbers.

 

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6. Problem:

Grace has six cards: 4,9,13, , ,

The range of the numbers is 10.

• The mode is 9.

Work out the three missing numbers.

 

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7. Problem:

Liam has five cards: 1,5, , ,

• The range of the numbers is $6$.
• The mode is $1$.

Work out the three missing numbers.

 

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8. Problem:

Mia has seven cards: 8,12,6, , , ,

• The range of the numbers is $10$.
• The mode is $12$.

Work out the four missing numbers.

 

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9. Problem:

Ben has five cards: 3,7, , ,

• The range of the numbers is $9$.
• The mode is $3$.

Work out the three missing numbers.

 

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10. Problem:

Ava has six cards: 10,15,12, , ,

• The range of the numbers is 8.
• The mode is 12.

Work out the three missing numbers.

Question 1

Shown below are five cards arranged in order from smallest to largest: 3, , ,,

• The range of the cards is 6.
• The median of the cards is 7.
• The mean of the cards is 6.

Work out the 4 missing numbers.

 

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Question 2

Shown below are five cards arranged in order from smallest to largest: 2, , ,,

• The range of the cards is 8.
• The median of the cards is 4.
• The mean of the cards is 5.

Work out the 4 missing numbers.

 

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Question 3

Shown below are five cards arranged in order from smallest to largest: 4, , ,,

• The range of the cards is 5.
• The median of the cards is 5.
• The mean of the cards is 6.

Work out the 4 missing numbers.

 

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Question 4

Shown below are five cards arranged in order from smallest to largest: 1, , ,,

• The range of the cards is 9.
• The median of the cards is 5.
• The mean of the cards is 4.

Work out the 4 missing numbers.

 

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Question 5

Shown below are five cards arranged in order from smallest to largest: 7, , ,,

• The range of the cards is 4.
• The median of the cards is 9.
• The mean of the cards is 9.

Work out the 4 missing numbers.