starter Set 20 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [_, 16] → [9, 8, _]

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Answer: Row3[3]=8, Row2[1]=17

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [17,16]
  • [9,8,8]
Base
  • 9
  • 8
  • 8
TopValue
33
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":1,"c":0,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [7, _] → [2, _, 1]

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Answer: Row2[2]=6, Row3[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [7,6]
  • [2,5,1]
Base
  • 2
  • 5
  • 1
TopValue
13
HiddenCells
  • {"r":1,"c":1,"v":6}
  • {"r":2,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [5, _] → [3, 2, 2]

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Answer: Row1[1]=9, Row2[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [9]
  • [5,4]
  • [3,2,2]
Base
  • 3
  • 2
  • 2
TopValue
9
HiddenCells
  • {"r":0,"c":0,"v":9}
  • {"r":1,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, _] → [9, 3, 6]

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Answer: Row2[1]=12, Row2[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [12,9]
  • [9,3,6]
Base
  • 9
  • 3
  • 6
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":1,"c":1,"v":9}