starter Set 30 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [7, 8] → [_, 1, _]

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Answer: Row3[1]=6, Row3[3]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [7,8]
  • [6,1,7]
Base
  • 6
  • 1
  • 7
TopValue
15
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [14, _] → [9, 5, 4]

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Answer: Row2[2]=9, Row1[1]=23

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [14,9]
  • [9,5,4]
Base
  • 9
  • 5
  • 4
TopValue
23
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":0,"c":0,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [11, _] → [3, 8, _]

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Answer: Row2[2]=9, Row3[3]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [11,9]
  • [3,8,1]
Base
  • 3
  • 8
  • 1
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"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): [19] → [7, _] → [_, 2, 10]

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Answer: Row2[2]=12, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [7,12]
  • [5,2,10]
Base
  • 5
  • 2
  • 10
TopValue
19
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":2,"c":0,"v":5}