starter Set 37 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [_, 7] → [_, 2, 5]

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Answer: Row3[1]=10, Row2[1]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [12,7]
  • [10,2,5]
Base
  • 10
  • 2
  • 5
TopValue
19
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [12, _] → [_, 7, 2]

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Answer: Row2[2]=9, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [12,9]
  • [5,7,2]
Base
  • 5
  • 7
  • 2
TopValue
21
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"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): [27] → [_, 10] → [10, _, 3]

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Answer: Row3[2]=7, Row2[1]=17

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [17,10]
  • [10,7,3]
Base
  • 10
  • 7
  • 3
TopValue
27
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":1,"c":0,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [10, 5] → [_, 2, _]

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Answer: Row3[1]=8, Row3[3]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [10,5]
  • [8,2,3]
Base
  • 8
  • 2
  • 3
TopValue
15
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":2,"c":2,"v":3}