starter Set 38 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, _] → [_, 4, 7]

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Answer: Row2[2]=11, Row3[1]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [7,11]
  • [3,4,7]
Base
  • 3
  • 4
  • 7
TopValue
18
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":2,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [14, 12] → [_, 7, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [14,12]
  • [7,7,5]
Base
  • 7
  • 7
  • 5
TopValue
26
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":2,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [7, _] → [6, _, 4]

Show answer

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [7,5]
  • [6,1,4]
Base
  • 6
  • 1
  • 4
TopValue
12
HiddenCells
  • {"r":1,"c":1,"v":5}
  • {"r":2,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [5, _] → [_, 4, 7]

Show answer

Answer: Row3[1]=1, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [5,11]
  • [1,4,7]
Base
  • 1
  • 4
  • 7
TopValue
16
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":1,"c":1,"v":11}