starter Set 50 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [6, _] → [2, _, 4]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [6,8]
  • [2,4,4]
Base
  • 2
  • 4
  • 4
TopValue
14
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":1,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [4, 3] → [3, _, 2]

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Answer: Row3[2]=1, Row1[1]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [7]
  • [4,3]
  • [3,1,2]
Base
  • 3
  • 1
  • 2
TopValue
7
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":0,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 4] → [9, 2, 2]

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Answer: Row1[1]=15, Row2[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [11,4]
  • [9,2,2]
Base
  • 9
  • 2
  • 2
TopValue
15
HiddenCells
  • {"r":0,"c":0,"v":15}
  • {"r":1,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [9, 12] → [_, _, 5]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [9,12]
  • [2,7,5]
Base
  • 2
  • 7
  • 5
TopValue
21
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":2,"c":0,"v":2}