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63.9 x 7 =

• 44.73
• 447.3
• 347.3
• 429.3

If 36 x 81= 2916, what is 3.6 x 8.1?

• 291.6
• 29.16
• 2.916
• .2916

Based on the area model, what is the product of 13 and 7?

• 70
• 21
• 91
• 49

25 x 78

• 1950
• 1960
• 1970
• 1980

What is the product of 87 and 54?

• 859
• 4,698
• 141
• 3,597

400 x 500=

• 2,000
• 200
• 200,000
• 20,000

Use Area Model to Solve

59 x 72

• 4,248

• 4,284

• 4,158

• 1.098

S=?

• 80

• 800

• 8,000

• 600

Fill in the missing number

• 80
• 160
• 16
• 8

• Martha did not make an error
• Martha did not use a 0 as a placeholder before multiplying 2 tens by 249
• Martha did not add the 1 ten to the 8 tens when multiplying 2 ones by 4 tens in 249
• Martha did not add the 1 ten to the 8 tens when multiplying 2 tens by 4 tens in 249.