expert Set 15 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [_, 10] → [3, _, 7]

Show answer

Answer: Row3[2]=3, Row2[1]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [16]
  • [6,10]
  • [3,3,7]
Base
  • 3
  • 3
  • 7
TopValue
16
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":1,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [7] → [_, _] → [4, 1, 1]

Show answer

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

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 10] → [5, 6, 4]

Show answer

Answer: Row2[1]=11, Row1[1]=21

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [11,10]
  • [5,6,4]
Base
  • 5
  • 6
  • 4
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":11}
  • {"r":0,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [6, _] → [2, 4, 9]

Show answer

Answer: Row2[2]=13, Row1[1]=19

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [6,13]
  • [2,4,9]
Base
  • 2
  • 4
  • 9
TopValue
19
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":0,"c":0,"v":19}