1. Each child has 57 thermometers. If there are 6 children, how many thermometers are there in total? Topic 5: Variables and Expressions Operation Card: 1

2. Each child has 57 thermometers. If there are 6 children, how many thermometers are there in total? Topic 5: Variables and Expressions Operation Card: 2

3. Each basic microscope costs $8.00. How much do 50 microscopes cost? Topic 5: Variables and Expressions Operation Card: 3

4. Savannah went to the store 45 times last month. She buys 2 notepads each time she goes to the store. How many notepads did Savannah buy last month? Topic 5: Variables and Expressions Operation Card: 4

5. Mariah starts out with 51 bottle caps. She shares 36 with Hannah. How many bottle caps does Mariah end with? Topic 5: Variables and Expressions Operation Card: 5

6. Mariah starts out with 51 bottle caps. She shares 36 with Hannah. How many bottle caps does Mariah end with? Topic 5: Variables and Expressions Operation Card: 6

7. Mr. Frankenstein purchased 105 cameras for his school. If there were 21 classes, how many would each class receive? Topic 5: Variables and Expressions Operation Card: 7

8. Subtract a number from 10 Topic 5: Variables and Expressions Operation Card: 8

9. The product of 9 and a number Topic 5: Variables and Expressions Operation Card: 9

10. Add 6 to a number Topic 5: Variables and Expressions Operation Card: 10

11. 6 divided by a number Topic 5: Variables and Expressions Operation Card: 11

12. A number decreased by 12 Topic 5: Variables and Expressions Operation Card: 12

13. 9 plus a number Topic 5: Variables and Expressions Operation Card: 13

14. A number added to 4 Topic 5: Variables and Expressions Operation Card: 14

15. The quotient of a number and 8 Topic 5: Variables and Expressions Operation Card: 15

16. 4 less than a number Topic 5: Variables and Expressions Operation Card: 16

17. You and three friends are going to share a package. Of granola bars equally. Write an algebraic expression to show the situation. Topic 5: Variables and Expressions Operation Card: 17

18. Nao has 6 fewer CDs than Emily. IF c represents the number of CDs Emily has, what is an expression that tells us how many CDs Nao has? Topic 5: Variables and Expressions Operation Card: 18

19. Nao has 6 fewer CDs than Emily. IF c represents the number of CDs Emily has, what is an expression that tells us how many CDs Nao has? Topic 5: Variables and Expressions Operation Card: 19

20. How are the expressions 7-g and g-7 different? Topic 5: Variables and Expressions Operation Card: 20