starter Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [7, 11] → [2, _, _]

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Answer: Row3[3]=6, Row3[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [7,11]
  • [2,5,6]
Base
  • 2
  • 5
  • 6
TopValue
18
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"r":2,"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): [20] → [9, 11] → [_, 4, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [9,11]
  • [5,4,7]
Base
  • 5
  • 4
  • 7
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"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): [11] → [7, _] → [4, _, 1]

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Answer: Row3[2]=3, Row2[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [7,4]
  • [4,3,1]
Base
  • 4
  • 3
  • 1
TopValue
11
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":1,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [7, 10] → [_, _, 4]

Show answer

Answer: Row3[2]=6, Row3[1]=1

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