starter Set 51 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, _] → [9, 8, 3]

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Answer: Row2[2]=11, Row1[1]=28

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [17,11]
  • [9,8,3]
Base
  • 9
  • 8
  • 3
TopValue
28
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":0,"c":0,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [_, _] → [4, 3, 4]

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Answer: Row2[1]=7, Row2[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [7,7]
  • [4,3,4]
Base
  • 4
  • 3
  • 4
TopValue
14
HiddenCells
  • {"r":1,"c":0,"v":7}
  • {"r":1,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 4] → [5, 2, 2]

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Answer: Row2[1]=7, Row1[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [7,4]
  • [5,2,2]
Base
  • 5
  • 2
  • 2
TopValue
11
HiddenCells
  • {"r":1,"c":0,"v":7}
  • {"r":0,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [13, 13] → [9, _, _]

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Answer: Row3[3]=9, Row3[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [13,13]
  • [9,4,9]
Base
  • 9
  • 4
  • 9
TopValue
26
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":2,"c":1,"v":4}