Addition
17. Find the missing complement:
350 + ____ = 660
310
9. Write the problem in multiplication that gives the same total as the sum below:
6 + 6 + 6 + 6 + 6
6 x 5 = 30
15. Complete the opposite in multiplication for the division problem 42 ÷ 7 = 6:
7 x 6 = 42 or
6 x 7 = 42
14. Find the missing complement:
470 + ____ = 1000
530
8. What is the seventh multiple of 9?
9 x 7 = 63
16. Work out the answer: 81 ÷ 9
81 ÷ 9 = 9
11. A baker baked 595 cookies on Monday morning. By the end of the day, he had sold 241 of them. How many cookies were left?
a. Show your estimate
b. Show your actual answer.
a. 600 - 240 = 360
b. 595 - 241 = 344
2. Find the missing complement:
510 + ____ = 750
240
12. What is the ninth multiple of 6?
6 x 9 = 54
A farmer picked 120 apples. He wants to put them into bags, with 10 apples in each bag. How many bags will the farmer need?
The farmer need 12 bags.
3. A school held a book drive and collected 735 books in the first three days. They set a goal to collect a total of 982 books in a week. How many more books do they need to collect to reach their goal?
a. Show your estimate.
b. Show your actual answer.
Estimate: 980 - 740 = 240
Answer: 982 - 735 = 247
10. Multiply the numbers in the bricks next to each other to find the number for the brick above.
__ __
__ __ __ __
3 2 5 9 1 6
60 54
6 10 9 6
3 2 5 9 1 6
1. What are the next four numbers in the sequence?
8, 13, __, __, __, __
18, 23, 28, 33
7a. A librarian counted 368 books on a shelf. On the same day, 125 of those books were borrowed by the students. How many books are left on the shelf?
b. The next day, 137 more books were borrowed by other students. How many books are left on the shelf?
b. 243 - 137 = 106
6. Complete the table.
6 x 4 = __ double --> _________
_________ <-- halve 9 x 6 = __
6 x 4 = 24 double --> 6 x 8 = 48
9 x 3 = 27 <-- halve 9 x 6 = 54
4. A teacher has 85 pencils. She wants to divide them equally among 5 students in her class. How many pencils will each student receive?
Each student receives 17 pencils.