starter Set 81 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 20] → [_, 10, 10]

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Answer: Row1[1]=33, Row3[1]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [13,20]
  • [3,10,10]
Base
  • 3
  • 10
  • 10
TopValue
33
HiddenCells
  • {"r":0,"c":0,"v":33}
  • {"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): [_] → [12, 17] → [4, _, 9]

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Answer: Row1[1]=29, Row3[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [12,17]
  • [4,8,9]
Base
  • 4
  • 8
  • 9
TopValue
29
HiddenCells
  • {"r":0,"c":0,"v":29}
  • {"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): [21] → [12, _] → [6, 6, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [12,9]
  • [6,6,3]
Base
  • 6
  • 6
  • 3
TopValue
21
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":1,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 12] → [9, _, 9]

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Answer: Row1[1]=24, Row3[2]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [12,12]
  • [9,3,9]
Base
  • 9
  • 3
  • 9
TopValue
24
HiddenCells
  • {"r":0,"c":0,"v":24}
  • {"r":2,"c":1,"v":3}