easy Set 90 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [17, 14] → [7, _, _]

Show answer

Answer: Row3[3]=4, Row3[2]=10

SubType
number-pyramid
Difficulty
easy
Levels
  • [31]
  • [17,14]
  • [7,10,4]
Base
  • 7
  • 10
  • 4
TopValue
31
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":2,"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): [29] → [_, 13] → [_, 7, 6]

Show answer

Answer: Row2[1]=16, Row3[1]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [29]
  • [16,13]
  • [9,7,6]
Base
  • 9
  • 7
  • 6
TopValue
29
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"r":2,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [13, 13] → [5, _, _]

Show answer

Answer: Row3[2]=8, Row3[3]=5

SubType
number-pyramid
Difficulty
easy
Levels
  • [26]
  • [13,13]
  • [5,8,5]
Base
  • 5
  • 8
  • 5
TopValue
26
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"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): [_] → [11, 16] → [3, _, 8]

Show answer

Answer: Row1[1]=27, Row3[2]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [27]
  • [11,16]
  • [3,8,8]
Base
  • 3
  • 8
  • 8
TopValue
27
HiddenCells
  • {"r":0,"c":0,"v":27}
  • {"r":2,"c":1,"v":8}