starter Set 70 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [17, _] → [_, 9, 3]

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Answer: Row3[1]=8, Row2[2]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [17,12]
  • [8,9,3]
Base
  • 8
  • 9
  • 3
TopValue
29
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"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): [31] → [17, _] → [8, 9, _]

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Answer: Row3[3]=5, Row2[2]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [17,14]
  • [8,9,5]
Base
  • 8
  • 9
  • 5
TopValue
31
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"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): [40] → [20, 20] → [_, _, 10]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [40]
  • [20,20]
  • [10,10,10]
Base
  • 10
  • 10
  • 10
TopValue
40
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [12, _] → [_, 8, 10]

Show answer

Answer: Row2[2]=18, Row3[1]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [12,18]
  • [4,8,10]
Base
  • 4
  • 8
  • 10
TopValue
30
HiddenCells
  • {"r":1,"c":1,"v":18}
  • {"r":2,"c":0,"v":4}