Mental maths worksheet featuring four columns of math exercises for students, including number writing, multiplication, calendar-based questions, and comparisons.

I'll solve each problem in the worksheet step by step.

Column 1:

1. Write the number 231 in words
- 231 = two hundred thirty-one

2. 12 × 3 = ?
- 12 × 3 = 36

3. 16 + ___ = 26
- 26 - 16 = 10
- So, 16 + 10 = 26

4. Is 15 - 9 greater than 10?
- 15 - 9 = 6
- 6 is NOT greater than 10
- Answer: No

5. Cut this whole pizza into 4 equal pieces
- This would be a visual task where you divide the pizza into 4 equal slices

Column 2:

1. Write the number between 299 and 301
- The number between 299 and 301 is 300

2. 10 × 6 = ?
- 10 × 6 = 60

3. Looking at the May 2022 calendar shown
- I need to count how many days are in May
- May has 31 days

4. How many days are there in this month?
- May has 31 days

5. What day is the 7th of May?
- Looking at the calendar, May 7th falls on a Saturday

6. How many Saturdays are there in the month?
- Looking at the calendar for May 2022:
- Saturdays fall on: 7, 14, 21, 28
- That's 4 Saturdays

Column 3:

1. Write the number 329 in expanded form
- 329 = 300 + 20 + 9

2. 333, 444, 555, ___, ___, ___
- Pattern: Each number increases by 111
- 333 + 111 = 444
- 444 + 111 = 555
- 555 + 111 = 666
- 666 + 111 = 777
- 777 + 111 = 888
- Answer: 666, 777, 888

3. Is 9 + 9 greater than 17?
- 9 + 9 = 18
- 18 > 17
- Answer: Yes

4. Which number comes after 399?
- 399 + 1 = 400

5. What is half of 26?
- 26 ÷ 2 = 13

6. Fill in <, >, = : 10×6 ___ 11×5
- 10 × 6 = 60
- 11 × 5 = 55
- 60 > 55
- Answer: >

Column 4:

1. 6, 12, 18, ___, ___, ___
- Pattern: Adding 6 each time (multiples of 6)
- 6 + 6 = 12
- 12 + 6 = 18
- 18 + 6 = 24
- 24 + 6 = 30
- 30 + 6 = 36
- Answer: 24, 30, 36

2. Fill in <, >, = : 3×4 ___ 6×2
- 3 × 4 = 12
- 6 × 2 = 12
- 12 = 12
- Answer: =

3. Is the number between 258 and 260 an odd or even number?
- The number between 258 and 260 is 259
- 259 ends in 9, which is odd
- Answer: Odd

4. Round off 87 to the nearest 10
- 87 is closer to 90 than to 80
- Answer: 90

5. 672 + 235 = ?
- 672 + 235 = 907

Final Answer:

Column 1:
1. two hundred thirty-one
2. 36
3. 10
4. No
5. (Visual task - divide pizza into 4 equal slices)

Column 2:
1. 300
2. 60
3. (Calendar reference)
4. 31
5. Saturday
6. 4

Column 3:
1. 300 + 20 + 9
2. 666, 777, 888
3. Yes
4. 400
5. 13
6. >

Column 4:
1. 24, 30, 36
2. =
3. Odd
4. 90
5. 907