starter Set 72 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [17, _] → [7, _, 4]

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Answer: Row3[2]=10, Row2[2]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [17,14]
  • [7,10,4]
Base
  • 7
  • 10
  • 4
TopValue
31
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"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): [15] → [6, _] → [4, _, 7]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [6,9]
  • [4,2,7]
Base
  • 4
  • 2
  • 7
TopValue
15
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"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): [_] → [_, 7] → [9, 1, 6]

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Answer: Row2[1]=10, Row1[1]=17

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [10,7]
  • [9,1,6]
Base
  • 9
  • 1
  • 6
TopValue
17
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":0,"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): [19] → [13, _] → [10, _, 3]

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Answer: Row3[2]=3, Row2[2]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [13,6]
  • [10,3,3]
Base
  • 10
  • 3
  • 3
TopValue
19
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":1,"c":1,"v":6}