week 2 5-6 (simplify and show work)

Patterns

100

3, 6, 12, 24, ___, ___, ___

48, 96, 192

200

5, 8, 11, 14, ___, ___, ___

Answer: 17, 20, 23

Explanation: Add 3 each time.

300

1, 4, 10, 19, 31, ___, ___, ___

Answer: 46, 64, 85

Explanation: Add numbers that increase by 3.

400

2, 5, 11, 23, ___, ___, ___

47, 95, 191

Explanation: Multiply by 2, then add 1.

500

3, 8, 18, 38, ___, ___, ___

Answer: 78, 158, 318

Explanation: Multiply by 2, then add 2.

Fractions

100

1/2 + 1/4

3/4

200

3/8 + 1/4

5/8

300

5/8 - 1/3

7/24

400

A recipe calls for 3/4 cup of flour. Mia already added 2/5 cup. How much more flour does she need to add

Answer: 7/20 cup

Work:
3/4 - 2/5
= 15/20 - 8/20
= 7/20

500

Sarah ate 3/8 of a pizza for lunch and 1/4 of the same pizza for dinner. How much pizza did she eat altogether?

Answer: 5/8

Work:
3/8 + 1/4
= 3/8 + 2/8
= 5/8

Long Division

100

432 ÷ 6

72

200

756 ÷ 9

84

300

672 ÷ 12

56

400

432 ÷ 6

72

500

984 ÷ 6

164

Riddles

100

I am a number. Subtract 7 from me and you get 15. What am I?

22

200

I am a number. Add 8 to me and you get 23. What am I?

15

300

I am a number. If you double me and add 6, you get 30. What am I?

12

400

I am a two-digit number. My digits add to 10, and my tens digit is 2 more than my ones digit. What am I?

64

500

I am a number. Triple me and add 4 to get 25. What am I?

7

Word Problems

100

A library has 280 books. They are placed equally on 7 shelves. How many books are on each shelf?

40 books

200

A teacher buys 48 markers. She gives 6 markers to each table. How many tables get markers?

8 tables

300

A pizza has 16 slices. Four friends share it equally. How many slices does each friend get?

4 slices

400

A box contains 96 crayons. If each pack holds 8 crayons, how many packs can be made?

12 packs 

500

A farmer has 8 rows of corn with 35 plants in each row. How many corn plants are there altogether?

280 corn plants