starter Set 33 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [_, 16] → [_, 7, 9]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [9,16]
  • [2,7,9]
Base
  • 2
  • 7
  • 9
TopValue
25
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":1,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, _] → [8, 4, 2]

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Answer: Row2[1]=12, Row2[2]=6

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [7, 6] → [_, 4, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [7,6]
  • [3,4,2]
Base
  • 3
  • 4
  • 2
TopValue
13
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":2,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 17] → [3, _, 9]

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Answer: Row1[1]=28, Row3[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [11,17]
  • [3,8,9]
Base
  • 3
  • 8
  • 9
TopValue
28
HiddenCells
  • {"r":0,"c":0,"v":28}
  • {"r":2,"c":1,"v":8}