starter Set 90 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] → [3, _, _]

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Answer: Row3[3]=7, Row3[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [11,15]
  • [3,8,7]
Base
  • 3
  • 8
  • 7
TopValue
26
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":2,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [13, 16] → [_, _, 6]

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Answer: Row3[1]=3, Row3[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [13,16]
  • [3,10,6]
Base
  • 3
  • 10
  • 6
TopValue
29
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [3, 7] → [2, 1, _]

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Answer: Row3[3]=6, Row1[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [10]
  • [3,7]
  • [2,1,6]
Base
  • 2
  • 1
  • 6
TopValue
10
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"r":0,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [20, _] → [10, 10, _]

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Answer: Row2[2]=18, Row3[3]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [38]
  • [20,18]
  • [10,10,8]
Base
  • 10
  • 10
  • 8
TopValue
38
HiddenCells
  • {"r":1,"c":1,"v":18}
  • {"r":2,"c":2,"v":8}