starter Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [_, 10] → [8, 4, _]

Show answer

Answer: Row3[3]=6, Row2[1]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [12,10]
  • [8,4,6]
Base
  • 8
  • 4
  • 6
TopValue
22
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [11, _] → [3, 8, _]

Show answer

Answer: Row3[3]=5, Row2[2]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [11,13]
  • [3,8,5]
Base
  • 3
  • 8
  • 5
TopValue
24
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":1,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [13, _] → [9, 4, _]

Show answer

Answer: Row3[3]=10, Row2[2]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [13,14]
  • [9,4,10]
Base
  • 9
  • 4
  • 10
TopValue
27
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":1,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, _] → [9, 4, 1]

Show answer

Answer: Row2[2]=5, Row1[1]=18

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [13,5]
  • [9,4,1]
Base
  • 9
  • 4
  • 1
TopValue
18
HiddenCells
  • {"r":1,"c":1,"v":5}
  • {"r":0,"c":0,"v":18}