starter Set 25 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [_, 10] → [_, 4, 6]

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Answer: Row3[1]=3, Row2[1]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [7,10]
  • [3,4,6]
Base
  • 3
  • 4
  • 6
TopValue
17
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":1,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [18, _] → [_, 8, 10]

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Answer: Row2[2]=18, Row3[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [36]
  • [18,18]
  • [10,8,10]
Base
  • 10
  • 8
  • 10
TopValue
36
HiddenCells
  • {"r":1,"c":1,"v":18}
  • {"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): [27] → [16, _] → [10, _, 5]

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Answer: Row3[2]=6, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [16,11]
  • [10,6,5]
Base
  • 10
  • 6
  • 5
TopValue
27
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"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): [23] → [_, 10] → [4, _, 1]

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Answer: Row2[1]=13, Row3[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [13,10]
  • [4,9,1]
Base
  • 4
  • 9
  • 1
TopValue
23
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":2,"c":1,"v":9}