starter Set 23 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [13, 17] → [_, 10, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [13,17]
  • [3,10,7]
Base
  • 3
  • 10
  • 7
TopValue
30
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"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): [28] → [_, 13] → [_, 9, 4]

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Answer: Row2[1]=15, Row3[1]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [15,13]
  • [6,9,4]
Base
  • 6
  • 9
  • 4
TopValue
28
HiddenCells
  • {"r":1,"c":0,"v":15}
  • {"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): [_] → [7, 11] → [2, _, 6]

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Answer: Row3[2]=5, Row1[1]=18

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [7,11]
  • [2,5,6]
Base
  • 2
  • 5
  • 6
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":0,"c":0,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [10, 10] → [9, _, _]

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Answer: Row3[2]=1, Row3[3]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [10,10]
  • [9,1,9]
Base
  • 9
  • 1
  • 9
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":2,"c":2,"v":9}