M2 L5-9 Exit Ticket

21 x 23

• 105
• 103
• 483
• 480

143 x 12 

• 1716
• 439
• 716
• 1616

589 x 18 

• 10603
• 10602
• 9602
• 10601

432 x 34

• 14878
• 3024
• 14688
• 14888

481 x 352 

• 234897
• 4800
• 169312
• 168345

642 x 257

• 160368
• 164994
• 164004
• 164006

642 x 207 

• 132894
• 132896
• 132895
• 133894

Estimate the product first. Solve using the standard algorithm. Use your estimate to check the reasonableness of the product. 
A) 283 x 416
≈____ x ____ ≈______ 

• 300 x 400≈ 120000
• 200 x 400≈ 80000
• 300 x 400≈ 160000
• 300 x 500≈ 150000

Estimate the product first. Solve using the standard algorithm. Use your estimate to check the reasonableness of the product. 
A) 283 x 416

• 116728
• 117728
• 2591
• 117723

Estimate the product first. Solve using the standard algorithm. Use your estimate to check the reasonableness of the product. 
B) 2,803 x 406
≈____ x ____ ≈______ 

• 3000 x 400≈ 1200000
• 2000 x 400≈ 800000
• 3000 x 400≈ 1600000
• 300 x 500≈ 150000