starter Set 38 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [10, _] → [_, 7, 8]

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Answer: Row2[2]=15, Row3[1]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [10,15]
  • [3,7,8]
Base
  • 3
  • 7
  • 8
TopValue
25
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"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): [21] → [10, _] → [_, 2, 9]

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Answer: Row3[1]=8, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [10,11]
  • [8,2,9]
Base
  • 8
  • 2
  • 9
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"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): [25] → [_, 16] → [3, 6, _]

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Answer: Row2[1]=9, Row3[3]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [9,16]
  • [3,6,10]
Base
  • 3
  • 6
  • 10
TopValue
25
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":2,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, 8] → [4, 3, _]

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Answer: Row3[3]=5, Row2[1]=7

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