easy Set 21 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [17, _] → [_, 8, 4]

Show answer

Answer: Row3[1]=9, Row2[2]=12

SubType
number-pyramid
Difficulty
easy
Levels
  • [29]
  • [17,12]
  • [9,8,4]
Base
  • 9
  • 8
  • 4
TopValue
29
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":1,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [10, 14] → [3, _, _]

Show answer

Answer: Row3[3]=7, Row3[2]=7

SubType
number-pyramid
Difficulty
easy
Levels
  • [24]
  • [10,14]
  • [3,7,7]
Base
  • 3
  • 7
  • 7
TopValue
24
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":2,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, 8] → [4, _, 2]

Show answer

Answer: Row3[2]=6, Row2[1]=10

SubType
number-pyramid
Difficulty
easy
Levels
  • [18]
  • [10,8]
  • [4,6,2]
Base
  • 4
  • 6
  • 2
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":1,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [8, 8] → [_, _, 5]

Show answer

Answer: Row3[2]=3, Row3[1]=5

SubType
number-pyramid
Difficulty
easy
Levels
  • [16]
  • [8,8]
  • [5,3,5]
Base
  • 5
  • 3
  • 5
TopValue
16
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":2,"c":0,"v":5}