starter Set 30 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 6] → [4, 2, 4]

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Answer: Row2[1]=6, Row1[1]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [6,6]
  • [4,2,4]
Base
  • 4
  • 2
  • 4
TopValue
12
HiddenCells
  • {"r":1,"c":0,"v":6}
  • {"r":0,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 17] → [_, 8, 9]

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Answer: Row3[1]=7, Row1[1]=32

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [15,17]
  • [7,8,9]
Base
  • 7
  • 8
  • 9
TopValue
32
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":0,"c":0,"v":32}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [8] → [_, 5] → [_, 2, 3]

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

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [9, _] → [8, 1, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [9,4]
  • [8,1,3]
Base
  • 8
  • 1
  • 3
TopValue
13
HiddenCells
  • {"r":1,"c":1,"v":4}
  • {"r":2,"c":2,"v":3}