Find the answers to these problems. Challenge yourself to calculate the solutions mentally.
1. A tree was planted in 1998. How
old will it be in 2020?
A – 12 years old
B – 22 years old
C – 32 years old
D – 42 years old
2. Which number is nearest to 1000?
A – 909
B – 960
C – 1039
D – 1049
3. What is half of 56?
A – 29
B – 28
C – 27
D – 26
4. My book has 144 pages. I have read 40 pages. How many pages do I need to read
until I am halfway through the book?
A – 31 pages
B – 32 pages
C – 72 pages
D – 188 pages