easy 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): [_] → [6, 4] → [4, 2, _]

Show answer

Answer: Row1[1]=10, Row3[3]=2

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [_, _] → [5, 4, 3]

Show answer

Answer: Row2[1]=9, Row2[2]=7

SubType
number-pyramid
Difficulty
easy
Levels
  • [16]
  • [9,7]
  • [5,4,3]
Base
  • 5
  • 4
  • 3
TopValue
16
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":1,"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): [14] → [5, 9] → [2, _, _]

Show answer

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [14]
  • [5,9]
  • [2,3,6]
Base
  • 2
  • 3
  • 6
TopValue
14
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"r":2,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, _] → [9, 6, 4]

Show answer

Answer: Row1[1]=25, Row2[2]=10

SubType
number-pyramid
Difficulty
easy
Levels
  • [25]
  • [15,10]
  • [9,6,4]
Base
  • 9
  • 6
  • 4
TopValue
25
HiddenCells
  • {"r":0,"c":0,"v":25}
  • {"r":1,"c":1,"v":10}