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): [18] → [_, 9] → [_, 2, 7]

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Answer: Row3[1]=7, Row2[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [9,9]
  • [7,2,7]
Base
  • 7
  • 2
  • 7
TopValue
18
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"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): [_] → [16, 18] → [7, _, 9]

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Answer: Row1[1]=34, Row3[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [34]
  • [16,18]
  • [7,9,9]
Base
  • 7
  • 9
  • 9
TopValue
34
HiddenCells
  • {"r":0,"c":0,"v":34}
  • {"r":2,"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): [32] → [_, 19] → [3, 10, _]

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Answer: Row3[3]=9, Row2[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [13,19]
  • [3,10,9]
Base
  • 3
  • 10
  • 9
TopValue
32
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":1,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 12] → [5, 9, 3]

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Answer: Row1[1]=26, Row2[1]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [14,12]
  • [5,9,3]
Base
  • 5
  • 9
  • 3
TopValue
26
HiddenCells
  • {"r":0,"c":0,"v":26}
  • {"r":1,"c":0,"v":14}