starter Set 30 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [8, _] → [3, 5, _]

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Answer: Row2[2]=12, Row3[3]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [8,12]
  • [3,5,7]
Base
  • 3
  • 5
  • 7
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"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): [_] → [10, 16] → [2, 8, _]

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Answer: Row1[1]=26, Row3[3]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [10,16]
  • [2,8,8]
Base
  • 2
  • 8
  • 8
TopValue
26
HiddenCells
  • {"r":0,"c":0,"v":26}
  • {"r":2,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [13, _] → [8, _, 5]

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Answer: Row3[2]=5, Row2[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [13,10]
  • [8,5,5]
Base
  • 8
  • 5
  • 5
TopValue
23
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":1,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [12, 9] → [6, _, _]

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Answer: Row3[3]=3, Row3[2]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [12,9]
  • [6,6,3]
Base
  • 6
  • 6
  • 3
TopValue
21
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":2,"c":1,"v":6}