starter Set 72 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [12, _] → [4, _, 3]

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Answer: Row3[2]=8, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [12,11]
  • [4,8,3]
Base
  • 4
  • 8
  • 3
TopValue
23
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":1,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [9] → [_, 3] → [5, _, 2]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [9]
  • [6,3]
  • [5,1,2]
Base
  • 5
  • 1
  • 2
TopValue
9
HiddenCells
  • {"r":1,"c":0,"v":6}
  • {"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): [29] → [17, 12] → [8, _, _]

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Answer: Row3[3]=3, Row3[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [17,12]
  • [8,9,3]
Base
  • 8
  • 9
  • 3
TopValue
29
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":2,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, _] → [5, 8, 1]

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Answer: Row2[2]=9, Row1[1]=22

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [13,9]
  • [5,8,1]
Base
  • 5
  • 8
  • 1
TopValue
22
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":0,"c":0,"v":22}