Page 104 - MathGenius-C1-Flipbook

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12. Draw two balls near the tree and one bat far from the tree.

13. find the sum of 7 + 9 using the number line.

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

14. There are 20 frogs in a pond. 7 frogs jump out of the pond. How many frogs

are left in the pond now?

15. In the morning, Khalil saw 18 birds on a tree and 15 birds on another

tree. In the afternoon, each tree had only 11 birds. How many birds in all flew

away?

16. State whether the following statements are correct. If incorrect, make them

correct.

(a) 5 + 4 = 4 + 5 (b) 8 + 1 = 10 (c) 7 – 0 = 0 (d) 15 – 14 = 1

102 Mathematics-1