starter Set 99 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [11, 15] → [_, 5, _]

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Answer: Row3[1]=6, Row3[3]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [11,15]
  • [6,5,10]
Base
  • 6
  • 5
  • 10
TopValue
26
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":2,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [13, 15] → [_, 10, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [13,15]
  • [3,10,5]
Base
  • 3
  • 10
  • 5
TopValue
28
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":2,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, 6] → [8, _, 2]

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Answer: Row3[2]=4, Row2[1]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [12,6]
  • [8,4,2]
Base
  • 8
  • 4
  • 2
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 17] → [10, 7, 10]

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Answer: Row2[1]=17, Row1[1]=34

SubType
number-pyramid
Difficulty
starter
Levels
  • [34]
  • [17,17]
  • [10,7,10]
Base
  • 10
  • 7
  • 10
TopValue
34
HiddenCells
  • {"r":1,"c":0,"v":17}
  • {"r":0,"c":0,"v":34}