starter Set 51 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [_, _] → [8, 5, 10]

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Answer: Row2[2]=15, Row2[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [13,15]
  • [8,5,10]
Base
  • 8
  • 5
  • 10
TopValue
28
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":1,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 7] → [3, 2, 5]

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Answer: Row2[1]=5, Row1[1]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [5,7]
  • [3,2,5]
Base
  • 3
  • 2
  • 5
TopValue
12
HiddenCells
  • {"r":1,"c":0,"v":5}
  • {"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): [26] → [12, _] → [_, 6, 8]

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Answer: Row3[1]=6, Row2[2]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [12,14]
  • [6,6,8]
Base
  • 6
  • 6
  • 8
TopValue
26
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":1,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [14, 17] → [_, _, 10]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [14,17]
  • [7,7,10]
Base
  • 7
  • 7
  • 10
TopValue
31
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":2,"c":1,"v":7}