# Multiplication Review (B)

## Quiz by Ashley Wagner

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9 questions

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- Q125 x 9330019,0652,32518,525300s
- Q294 x 366848468,1363,384300s
- Q33,632 x 824,0564,84644,84629,056300s
- Q42,531 x 46,9749,2248,02410,124300s
- Q5Look at Poster #1. Why is there a zero in the ones place?The zero in the ones place represents that we are on the second row of products.The zero in the ones place is there because Ms. Wagner taught us to put one there.The zero is in the ones place because we are now multiplying by a multiple of ten.The zero in the ones place is there because everything in the tens ends in a zero.300s
- Q6Look at Poster #2 (45 x 17). Determine and explain the computational error.The student forgot to put a zero in the ones place to represent multiplying by a multiple of ten.The student did not make an error. The answer is correct.The student did not multiplying the tens times the tens. The answer should be 40 x 10 = 400. The second row should be 450.The student did not regroup when multiplying 7 x 5. They should regroup the 3 tens to the tens place.300s
- Q7Look at Poster #3 (36 x 25). Determine and explain the computational error.The student did not regroup when multiplying 6 x 5. They should carry the 30 to the tens.The student did not include a zero in the ones place to represent multiplying by a multiple of 10.The student did not make an error. The answer is correct.The student did not include all parts of multiplication. They are missing 5 x 30 and 30 x 20.300s
- Q8Estimate the answer. 48 x 923,6005,0004,500450300s
- Q9Estimate the answer. 24 x 3190060001,200600300s