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): [21] → [12, 9] → [_, 2, _]

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Answer: Row3[1]=10, Row3[3]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [12,9]
  • [10,2,7]
Base
  • 10
  • 2
  • 7
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [_, _] → [6, 1, 4]

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Answer: Row2[1]=7, Row2[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [7,5]
  • [6,1,4]
Base
  • 6
  • 1
  • 4
TopValue
12
HiddenCells
  • {"r":1,"c":0,"v":7}
  • {"r":1,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, 11] → [_, 7, 4]

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Answer: Row3[1]=9, Row2[1]=16

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [16,11]
  • [9,7,4]
Base
  • 9
  • 7
  • 4
TopValue
27
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":1,"c":0,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [_, 7] → [7, _, 5]

Show answer

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [9,7]
  • [7,2,5]
Base
  • 7
  • 2
  • 5
TopValue
16
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":2,"c":1,"v":2}