starter Set 40 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [10, _] → [3, 7, _]

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Answer: Row3[3]=8, Row2[2]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [10,15]
  • [3,7,8]
Base
  • 3
  • 7
  • 8
TopValue
25
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":1,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [15, 15] → [_, 8, _]

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Answer: Row3[1]=7, Row3[3]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [15,15]
  • [7,8,7]
Base
  • 7
  • 8
  • 7
TopValue
30
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, 17] → [_, 8, 9]

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Answer: Row2[1]=14, Row3[1]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [14,17]
  • [6,8,9]
Base
  • 6
  • 8
  • 9
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":14}
  • {"r":2,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 13] → [4, 6, 7]

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Answer: Row2[1]=10, Row1[1]=23

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [10,13]
  • [4,6,7]
Base
  • 4
  • 6
  • 7
TopValue
23
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":0,"c":0,"v":23}