starter Set 85 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] → [5, 2, _]

Show answer

Answer: Row3[3]=1, Row2[1]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [10]
  • [7,3]
  • [5,2,1]
Base
  • 5
  • 2
  • 1
TopValue
10
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":1,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [_, _] → [10, 2, 10]

Show answer

Answer: Row2[2]=12, Row2[1]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [12,12]
  • [10,2,10]
Base
  • 10
  • 2
  • 10
TopValue
24
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"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): [10] → [3, _] → [2, 1, _]

Show answer

Answer: Row3[3]=6, Row2[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [10]
  • [3,7]
  • [2,1,6]
Base
  • 2
  • 1
  • 6
TopValue
10
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"r":1,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, 17] → [_, 10, 7]

Show answer

Answer: Row1[1]=36, Row3[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [36]
  • [19,17]
  • [9,10,7]
Base
  • 9
  • 10
  • 7
TopValue
36
HiddenCells
  • {"r":0,"c":0,"v":36}
  • {"r":2,"c":0,"v":9}