starter Set 91 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [_, 17] → [1, 8, _]

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Answer: Row2[1]=9, Row3[3]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [9,17]
  • [1,8,9]
Base
  • 1
  • 8
  • 9
TopValue
26
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 9] → [9, 1, _]

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Answer: Row1[1]=19, Row3[3]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [10,9]
  • [9,1,8]
Base
  • 9
  • 1
  • 8
TopValue
19
HiddenCells
  • {"r":0,"c":0,"v":19}
  • {"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): [24] → [8, _] → [1, 7, _]

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Answer: Row3[3]=9, Row2[2]=16

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [8,16]
  • [1,7,9]
Base
  • 1
  • 7
  • 9
TopValue
24
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":1,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [_, _] → [4, 7, 10]

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Answer: Row2[1]=11, Row2[2]=17

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [11,17]
  • [4,7,10]
Base
  • 4
  • 7
  • 10
TopValue
28
HiddenCells
  • {"r":1,"c":0,"v":11}
  • {"r":1,"c":1,"v":17}