2.1
2.2
2.3
2.4
2.5
100

Mr.Carroll has 5 baseball cards. Mr.T has 3 times as Mr.Carroll has. How many baseball cards does Mr.T have?

15

100

40 x 9

360

100

10 x 17  use the method rounding/estimate.

200

100

76 x 5. Find both numbers that round up and down.

500

200

Jack have 8 packs of gum. Jeff, have 7 times as many as Jack. How many packs of gum do Jeff have.

56

200

10 x 10

100

200

Estimate the product 56 x 9 

900

200

156 x 3. Find both numbers, rounding up. And rounding down.

600 and 300

300

Jackson has 50 pies. Chase has 4 times as Jackson. How many pies does chase have?

200

300

300 x 10

3,000

300

Estimate 157 x 7

1,400

300

556 x 7. Find both numbers by rounding up and down.

42,000

300

Use distribute property to solve 15 x 5.

75

400

Arish have 52 friends. John have 9 times as many friends than Arish. How many friends do John have.

468

400

50 x 200

10,000

400

157 x 4 estimate/round

600

400

479 x 7. Find both numbers rounding up and down.

2,800 and 35,000

400

Use distributive property to solve 300 x 5

1,500

500

James have 200 bracelets. Joel have 10 times as it. Have many bracelets does James have?

2,000

500

2000 x 5000

10,000,000

500

556 x 5

30,000

500

 1,456 x 8. Find both numbers rounding up and down.

8,000 and 16,000

500

Use distributive property to solve 4 x 550

2,200