starter Set 47 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [_, 10] → [3, _, 1]

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Answer: Row2[1]=12, Row3[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [12,10]
  • [3,9,1]
Base
  • 3
  • 9
  • 1
TopValue
22
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":2,"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): [30] → [12, _] → [_, 9, 9]

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Answer: Row2[2]=18, Row3[1]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [12,18]
  • [3,9,9]
Base
  • 3
  • 9
  • 9
TopValue
30
HiddenCells
  • {"r":1,"c":1,"v":18}
  • {"r":2,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [14, _] → [6, 8, _]

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Answer: Row3[3]=3, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [14,11]
  • [6,8,3]
Base
  • 6
  • 8
  • 3
TopValue
25
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":1,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [15, _] → [10, _, 1]

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Answer: Row3[2]=5, Row2[2]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [15,6]
  • [10,5,1]
Base
  • 10
  • 5
  • 1
TopValue
21
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":1,"c":1,"v":6}