starter Set 29 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 13] → [4, 8, _]

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Answer: Row3[3]=5, Row1[1]=25

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [12,13]
  • [4,8,5]
Base
  • 4
  • 8
  • 5
TopValue
25
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":0,"c":0,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [9, 9] → [_, 8, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [9,9]
  • [1,8,1]
Base
  • 1
  • 8
  • 1
TopValue
18
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":2,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [35] → [_, _] → [7, 10, 8]

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Answer: Row2[1]=17, Row2[2]=18

SubType
number-pyramid
Difficulty
starter
Levels
  • [35]
  • [17,18]
  • [7,10,8]
Base
  • 7
  • 10
  • 8
TopValue
35
HiddenCells
  • {"r":1,"c":0,"v":17}
  • {"r":1,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [_, 19] → [7, _, 9]

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Answer: Row3[2]=10, Row2[1]=17

SubType
number-pyramid
Difficulty
starter
Levels
  • [36]
  • [17,19]
  • [7,10,9]
Base
  • 7
  • 10
  • 9
TopValue
36
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":1,"c":0,"v":17}