starter Set 61 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 13] → [_, 8, 5]

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Answer: Row1[1]=25, Row3[1]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [12,13]
  • [4,8,5]
Base
  • 4
  • 8
  • 5
TopValue
25
HiddenCells
  • {"r":0,"c":0,"v":25}
  • {"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): [16] → [7, _] → [_, 2, 7]

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Answer: Row2[2]=9, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [7,9]
  • [5,2,7]
Base
  • 5
  • 2
  • 7
TopValue
16
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [18, 14] → [_, _, 5]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [18,14]
  • [9,9,5]
Base
  • 9
  • 9
  • 5
TopValue
32
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":2,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [10, _] → [7, 3, _]

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Answer: Row3[3]=4, Row2[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [10,7]
  • [7,3,4]
Base
  • 7
  • 3
  • 4
TopValue
17
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":1,"c":1,"v":7}