starter Set 49 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 10] → [3, 6, 4]

Show answer

Answer: Row2[1]=9, Row1[1]=19

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [9,10]
  • [3,6,4]
Base
  • 3
  • 6
  • 4
TopValue
19
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":0,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [11, _] → [_, 4, 7]

Show answer

Answer: Row3[1]=7, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [11,11]
  • [7,4,7]
Base
  • 7
  • 4
  • 7
TopValue
22
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":1,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 8] → [_, 5, 3]

Show answer

Answer: Row3[1]=5, Row1[1]=18

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [10,8]
  • [5,5,3]
Base
  • 5
  • 5
  • 3
TopValue
18
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":0,"c":0,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [35] → [20, _] → [10, _, 5]

Show answer

Answer: Row3[2]=10, Row2[2]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [35]
  • [20,15]
  • [10,10,5]
Base
  • 10
  • 10
  • 5
TopValue
35
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":1,"c":1,"v":15}