starter Set 39 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [12, _] → [8, 4, _]

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Answer: Row3[3]=3, Row2[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [12,7]
  • [8,4,3]
Base
  • 8
  • 4
  • 3
TopValue
19
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":1,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 12] → [3, 5, 7]

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Answer: Row1[1]=20, Row2[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [8,12]
  • [3,5,7]
Base
  • 3
  • 5
  • 7
TopValue
20
HiddenCells
  • {"r":0,"c":0,"v":20}
  • {"r":1,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, _] → [9, 6, 8]

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Answer: Row1[1]=29, Row2[2]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [15,14]
  • [9,6,8]
Base
  • 9
  • 6
  • 8
TopValue
29
HiddenCells
  • {"r":0,"c":0,"v":29}
  • {"r":1,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [17, 17] → [_, _, 8]

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Answer: Row3[2]=9, Row3[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [34]
  • [17,17]
  • [8,9,8]
Base
  • 8
  • 9
  • 8
TopValue
34
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":2,"c":0,"v":8}