starter Set 11 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [10, 11] → [_, 2, _]

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Answer: Row3[1]=8, Row3[3]=9

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":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [_, 11] → [9, 8, _]

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Answer: Row3[3]=3, Row2[1]=17

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [17,11]
  • [9,8,3]
Base
  • 9
  • 8
  • 3
TopValue
28
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"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): [24] → [_, _] → [8, 6, 4]

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Answer: Row2[1]=14, Row2[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [14,10]
  • [8,6,4]
Base
  • 8
  • 6
  • 4
TopValue
24
HiddenCells
  • {"r":1,"c":0,"v":14}
  • {"r":1,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [_, 8] → [3, 1, _]

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Answer: Row2[1]=4, Row3[3]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [4,8]
  • [3,1,7]
Base
  • 3
  • 1
  • 7
TopValue
12
HiddenCells
  • {"r":1,"c":0,"v":4}
  • {"r":2,"c":2,"v":7}