Exercise No. 1. Choose the correct answer.
1. Which even number comes right before? ___, 10, 12, 14
2. Calculate. 5 x 3 + 3 x 5 = ..............
3. Put the correct sign. 12 + 3 ...... 4 x 5
4. Which odd number comes right after? 23, 25, 27, ....
5. Give 5 numbers: 10, 37, 23, 45, 64 What is the difference between the greatest and the least number?
The difference is .......
The difference is .......
6. Anna has 23 candies. Her mother gives her 10 candies more. How many candies does Anna have now?
Answer: Anna has ............. candies now.
Answer: Anna has ............. candies now.
7. Find the sum of all numbers in the following table.
Answer: The sum is ......
| 10 | 7 | 5 |
| 3 | 20 | 5 |
8. How many wheels are there on 6 cars? Answer: There are ....... wheels.
9. Mary has 10 pens. She give 3 pens to Anna and Mark gives her 4 pens more. How many pens does Mary have now?
Answer: Mary has ............ pens now.
Answer: Mary has ............ pens now.
10. Calculate. 3 x 1 x 7 + 2 x 2 x 6 = .....
