starter Set 41 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [_, 10] → [_, 6, 4]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [9,10]
  • [3,6,4]
Base
  • 3
  • 6
  • 4
TopValue
19
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":1,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [13, 9] → [5, _, _]

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Answer: Row3[2]=8, Row3[3]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [13,9]
  • [5,8,1]
Base
  • 5
  • 8
  • 1
TopValue
22
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":2,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [11, _] → [9, 2, _]

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Answer: Row2[2]=7, Row3[3]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [11,7]
  • [9,2,5]
Base
  • 9
  • 2
  • 5
TopValue
18
HiddenCells
  • {"r":1,"c":1,"v":7}
  • {"r":2,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [13, _] → [4, 9, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [13,14]
  • [4,9,5]
Base
  • 4
  • 9
  • 5
TopValue
27
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":1,"c":1,"v":14}