starter Set 80 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [16, 9] → [_, 8, _]

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Answer: Row3[3]=1, Row3[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [16,9]
  • [8,8,1]
Base
  • 8
  • 8
  • 1
TopValue
25
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":2,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [7] → [3, _] → [2, _, 3]

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Answer: Row2[2]=4, Row3[2]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [7]
  • [3,4]
  • [2,1,3]
Base
  • 2
  • 1
  • 3
TopValue
7
HiddenCells
  • {"r":1,"c":1,"v":4}
  • {"r":2,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [11, 5] → [_, _, 1]

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Answer: Row3[1]=7, Row3[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [11,5]
  • [7,4,1]
Base
  • 7
  • 4
  • 1
TopValue
16
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":2,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [10] → [6, 4] → [_, _, 3]

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Answer: Row3[2]=1, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [10]
  • [6,4]
  • [5,1,3]
Base
  • 5
  • 1
  • 3
TopValue
10
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":2,"c":0,"v":5}