starter Set 37 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, 6] → [_, 1, 5]

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Answer: Row2[1]=9, Row3[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [9,6]
  • [8,1,5]
Base
  • 8
  • 1
  • 5
TopValue
15
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"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): [21] → [_, 8] → [10, 3, _]

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Answer: Row2[1]=13, Row3[3]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [13,8]
  • [10,3,5]
Base
  • 10
  • 3
  • 5
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":2,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [11, _] → [_, 2, 8]

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Answer: Row3[1]=9, Row2[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [11,10]
  • [9,2,8]
Base
  • 9
  • 2
  • 8
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":1,"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): [6] → [2, _] → [_, 1, 3]

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

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