starter Set 66 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [10, 10] → [_, _, 9]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [10,10]
  • [9,1,9]
Base
  • 9
  • 1
  • 9
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":2,"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] → [7, _] → [3, 4, _]

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Answer: Row2[2]=9, Row3[3]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [7,9]
  • [3,4,5]
Base
  • 3
  • 4
  • 5
TopValue
16
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"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): [28] → [16, _] → [9, _, 5]

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Answer: Row2[2]=12, Row3[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [16,12]
  • [9,7,5]
Base
  • 9
  • 7
  • 5
TopValue
28
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":2,"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): [24] → [_, 10] → [7, _, 3]

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Answer: Row2[1]=14, Row3[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [14,10]
  • [7,7,3]
Base
  • 7
  • 7
  • 3
TopValue
24
HiddenCells
  • {"r":1,"c":0,"v":14}
  • {"r":2,"c":1,"v":7}