starter Set 18 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [7, 5] → [_, _, 3]

Show answer

Answer: Row3[1]=5, Row3[2]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [7,5]
  • [5,2,3]
Base
  • 5
  • 2
  • 3
TopValue
12
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":2,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [7, 8] → [_, 6, 2]

Show answer

Answer: Row3[1]=1, Row1[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [7,8]
  • [1,6,2]
Base
  • 1
  • 6
  • 2
TopValue
15
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":0,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [_, 17] → [3, 9, _]

Show answer

Answer: Row3[3]=8, Row2[1]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [12,17]
  • [3,9,8]
Base
  • 3
  • 9
  • 8
TopValue
29
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"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): [31] → [14, _] → [7, 7, _]

Show answer

Answer: Row3[3]=10, Row2[2]=17

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [14,17]
  • [7,7,10]
Base
  • 7
  • 7
  • 10
TopValue
31
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":1,"c":1,"v":17}