1. The pattern in the number towers is that the number in each block is the sum of the two numbers directly below it.
2. For the first tower: 30 + 40 = 70, 10 + 20 = 30, 20 + 30 = 50.
3. For the second tower: The top number is 90, and the bottom right number is 20. The number to the left of 20 on the bottom row is 70 (since 70 + 20 = 90). The number in the middle of the second row is 70 (since 70 + 20 = 90). The number on the top is 90 (since 70 + 20 = 90).
4. For the third tower: The top number is 80, and the bottom left number is 50. The number to the right of 50 on the bottom row is 30 (since 50 + 30 = 80). The number in the middle of the second row is 30 (since 50 + 30 = 80). The number on the top is 80 (since 50 + 30 = 80).
5. For the first circle pattern: The top number is 60, and the bottom right number is 20. The number to the left of 20 on the bottom row is 40 (since 40 + 20 = 60). The number in the middle of the second row is 40 (since 40 + 20 = 60).
6. For the second circle pattern: The top number is 100, and the bottom right number is 30. The number to the left of 30 on the bottom row is 70 (since 70 + 30 = 100). The number in the middle of the second row is 70 (since 70 + 30 = 100).
7. For the third circle pattern: The top number is 140, and the bottom left number is 80. The number to the right of 80 on the bottom row is 60 (since 80 + 60 = 140). The number in the middle of the second row is 60 (since 80 + 60 = 140).
8. For the first shape pattern: The sequence is a diamond, a triangle, a hexagon, a square, and then a diamond again. The pattern repeats every four shapes.
9. For the second shape pattern: The sequence is a rectangle, a hexagon, a diamond, a circle, and then a rectangle again. The pattern repeats every four shapes.
Parent Tip: Review the logic above to help your child master the concept of patterns worksheet grade 4.
