starter Set 23 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [_, 8] → [_, 1, 7]

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Answer: Row2[1]=5, Row3[1]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [5,8]
  • [4,1,7]
Base
  • 4
  • 1
  • 7
TopValue
13
HiddenCells
  • {"r":1,"c":0,"v":5}
  • {"r":2,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, 6] → [5, 4, _]

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Answer: Row2[1]=9, Row3[3]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [9,6]
  • [5,4,2]
Base
  • 5
  • 4
  • 2
TopValue
15
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":2,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [20, 18] → [10, _, _]

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Answer: Row3[3]=8, Row3[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [38]
  • [20,18]
  • [10,10,8]
Base
  • 10
  • 10
  • 8
TopValue
38
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [13, 16] → [_, _, 6]

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Answer: Row3[1]=3, Row3[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [13,16]
  • [3,10,6]
Base
  • 3
  • 10
  • 6
TopValue
29
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":2,"c":1,"v":10}