expert Set 28 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [18, _] → [10, _, 3]

Show answer

Answer: Row2[2]=11, Row3[2]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [29]
  • [18,11]
  • [10,8,3]
Base
  • 10
  • 8
  • 3
TopValue
29
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":2,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [7, _] → [6, 1, _]

Show answer

Answer: Row2[2]=10, Row3[3]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [17]
  • [7,10]
  • [6,1,9]
Base
  • 6
  • 1
  • 9
TopValue
17
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"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): [22] → [12, _] → [_, 3, 7]

Show answer

Answer: Row3[1]=9, Row2[2]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [22]
  • [12,10]
  • [9,3,7]
Base
  • 9
  • 3
  • 7
TopValue
22
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"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): [16] → [_, 10] → [5, _, 9]

Show answer

Answer: Row3[2]=1, Row2[1]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [16]
  • [6,10]
  • [5,1,9]
Base
  • 5
  • 1
  • 9
TopValue
16
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":1,"c":0,"v":6}