expert Set 99 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [_, 2] → [_, 1, 1]

Show answer

Answer: Row3[1]=10, Row2[1]=11

SubType
number-pyramid
Difficulty
expert
Levels
  • [13]
  • [11,2]
  • [10,1,1]
Base
  • 10
  • 1
  • 1
TopValue
13
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":1,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [7, _] → [_, 3, 5]

Show answer

Answer: Row2[2]=8, Row3[1]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [7,8]
  • [4,3,5]
Base
  • 4
  • 3
  • 5
TopValue
15
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"r":2,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 15] → [5, _, 8]

Show answer

Answer: Row3[2]=7, Row1[1]=27

SubType
number-pyramid
Difficulty
expert
Levels
  • [27]
  • [12,15]
  • [5,7,8]
Base
  • 5
  • 7
  • 8
TopValue
27
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":0,"c":0,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [6] → [_, _] → [1, 2, 1]

Show answer

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

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