starter Set 98 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, 10] → [4, _, 6]

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Answer: Row2[1]=8, Row3[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [8,10]
  • [4,4,6]
Base
  • 4
  • 4
  • 6
TopValue
18
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"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): [_] → [7, 8] → [_, 1, 7]

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Answer: Row3[1]=6, Row1[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [7,8]
  • [6,1,7]
Base
  • 6
  • 1
  • 7
TopValue
15
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":0,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [2, _] → [1, _, 9]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [2,10]
  • [1,1,9]
Base
  • 1
  • 1
  • 9
TopValue
12
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"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): [_] → [8, 7] → [3, 5, _]

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Answer: Row1[1]=15, Row3[3]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [8,7]
  • [3,5,2]
Base
  • 3
  • 5
  • 2
TopValue
15
HiddenCells
  • {"r":0,"c":0,"v":15}
  • {"r":2,"c":2,"v":2}