starter Set 43 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, _] → [5, 5, _]

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Answer: Row3[3]=10, Row2[2]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [10,15]
  • [5,5,10]
Base
  • 5
  • 5
  • 10
TopValue
25
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"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): [20] → [14, _] → [_, 5, 1]

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Answer: Row3[1]=9, Row2[2]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [14,6]
  • [9,5,1]
Base
  • 9
  • 5
  • 1
TopValue
20
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":1,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, 18] → [_, 10, 8]

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Answer: Row3[1]=8, Row1[1]=36

SubType
number-pyramid
Difficulty
starter
Levels
  • [36]
  • [18,18]
  • [8,10,8]
Base
  • 8
  • 10
  • 8
TopValue
36
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":0,"c":0,"v":36}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [_, _] → [6, 10, 7]

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Answer: Row2[1]=16, Row2[2]=17

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [16,17]
  • [6,10,7]
Base
  • 6
  • 10
  • 7
TopValue
33
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"r":1,"c":1,"v":17}