starter Set 98 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [14, _] → [4, 10, 1]

Show answer

Answer: Row2[2]=11, Row1[1]=25

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [14,11]
  • [4,10,1]
Base
  • 4
  • 10
  • 1
TopValue
25
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":0,"c":0,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [5, _] → [4, 1, 4]

Show answer

Answer: Row2[2]=5, Row1[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [10]
  • [5,5]
  • [4,1,4]
Base
  • 4
  • 1
  • 4
TopValue
10
HiddenCells
  • {"r":1,"c":1,"v":5}
  • {"r":0,"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): [_] → [6, _] → [3, 3, 5]

Show answer

Answer: Row1[1]=14, Row2[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [6,8]
  • [3,3,5]
Base
  • 3
  • 3
  • 5
TopValue
14
HiddenCells
  • {"r":0,"c":0,"v":14}
  • {"r":1,"c":1,"v":8}

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}