starter Set 78 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [8, _] → [1, _, 7]

Show answer

Answer: Row3[2]=7, Row2[2]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [8,14]
  • [1,7,7]
Base
  • 1
  • 7
  • 7
TopValue
22
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"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): [5] → [3, 2] → [_, _, 1]

Show answer

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

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [37] → [18, _] → [_, 9, 10]

Show answer

Answer: Row2[2]=19, Row3[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [37]
  • [18,19]
  • [9,9,10]
Base
  • 9
  • 9
  • 10
TopValue
37
HiddenCells
  • {"r":1,"c":1,"v":19}
  • {"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): [24] → [13, _] → [10, 3, _]

Show answer

Answer: Row3[3]=8, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [13,11]
  • [10,3,8]
Base
  • 10
  • 3
  • 8
TopValue
24
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":1,"c":1,"v":11}