starter Set 61 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [4, _] → [_, 3, 9]

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Answer: Row3[1]=1, Row2[2]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [4,12]
  • [1,3,9]
Base
  • 1
  • 3
  • 9
TopValue
16
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":1,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [_, 11] → [7, 6, _]

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Answer: Row2[1]=13, Row3[3]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [13,11]
  • [7,6,5]
Base
  • 7
  • 6
  • 5
TopValue
24
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":2,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [6, 14] → [_, 4, _]

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Answer: Row3[1]=2, Row3[3]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [6,14]
  • [2,4,10]
Base
  • 2
  • 4
  • 10
TopValue
20
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":2,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, _] → [7, 4, 2]

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Answer: Row2[2]=6, Row1[1]=17

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [11,6]
  • [7,4,2]
Base
  • 7
  • 4
  • 2
TopValue
17
HiddenCells
  • {"r":1,"c":1,"v":6}
  • {"r":0,"c":0,"v":17}