starter Set 93 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 17] → [2, 10, _]

Show answer

Answer: Row3[3]=7, Row1[1]=29

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [12,17]
  • [2,10,7]
Base
  • 2
  • 10
  • 7
TopValue
29
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":0,"c":0,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 12] → [9, 9, 3]

Show answer

Answer: Row1[1]=30, Row2[1]=18

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [18,12]
  • [9,9,3]
Base
  • 9
  • 9
  • 3
TopValue
30
HiddenCells
  • {"r":0,"c":0,"v":30}
  • {"r":1,"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): [24] → [_, _] → [7, 7, 3]

Show answer

Answer: Row2[2]=10, Row2[1]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [14,10]
  • [7,7,3]
Base
  • 7
  • 7
  • 3
TopValue
24
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":1,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [11] → [_, 8] → [2, _, 7]

Show answer

Answer: Row3[2]=1, Row2[1]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [3,8]
  • [2,1,7]
Base
  • 2
  • 1
  • 7
TopValue
11
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":1,"c":0,"v":3}