expert 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): [31] → [_, 15] → [6, 10, _]

Show answer

Answer: Row2[1]=16, Row3[3]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [16,15]
  • [6,10,5]
Base
  • 6
  • 10
  • 5
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"r":2,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [4, 8] → [_, 3, _]

Show answer

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [12]
  • [4,8]
  • [1,3,5]
Base
  • 1
  • 3
  • 5
TopValue
12
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":2,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [4, 11] → [_, _, 10]

Show answer

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [4,11]
  • [3,1,10]
Base
  • 3
  • 1
  • 10
TopValue
15
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"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): [30] → [15, 15] → [_, 5, _]

Show answer

Answer: Row3[1]=10, Row3[3]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [15,15]
  • [10,5,10]
Base
  • 10
  • 5
  • 10
TopValue
30
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":2,"c":2,"v":10}