starter Set 58 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [11, _] → [9, _, 7]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [11,9]
  • [9,2,7]
Base
  • 9
  • 2
  • 7
TopValue
20
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): [15] → [8, _] → [_, 3, 4]

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Answer: Row2[2]=7, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [8,7]
  • [5,3,4]
Base
  • 5
  • 3
  • 4
TopValue
15
HiddenCells
  • {"r":1,"c":1,"v":7}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [12, _] → [5, 7, _]

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Answer: Row3[3]=3, Row2[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [12,10]
  • [5,7,3]
Base
  • 5
  • 7
  • 3
TopValue
22
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":1,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [13, 19] → [3, _, _]

Show answer

Answer: Row3[2]=10, Row3[3]=9

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