Unit 1 Review: Multiplication

You will now practice all the skills you learned in Unit 1. Check your work using the answer key at the end of the review.

A. Find the products.

1. [latex]\begin{array}{rr}&81\\\times&5\\\hline\\\end{array}[/latex]
2. [latex]\begin{array}{rr}&73\\\times&3\\\hline\\\end{array}[/latex]
3. [latex]\begin{array}{rr}&441\\\times&2\\\hline\\\end{array}[/latex]
4. [latex]\begin{array}{rr}&512\\\times&4\\\hline\\\end{array}[/latex]
5. [latex]\begin{array}{rr}&9342\\\times&2\\\hline\\\end{array}[/latex]
6. [latex]\begin{array}{rr}&8132\\\times&3\\\hline\\\end{array}[/latex]

B. Find the products.

1. [latex]\begin{array}{rr}&48\\\times&7\\\hline\\\end{array}[/latex]
2. [latex]\begin{array}{rr}&78\\\times&9\\\hline\\\end{array}[/latex]
3. [latex]\begin{array}{rr}&892\\\times&8\\\hline\\\end{array}[/latex]
4. [latex]\begin{array}{rr}&536\\\times&6\\\hline\\\end{array}[/latex]
5. [latex]\begin{array}{rr}&2375\\\times&4\\\hline\\\end{array}[/latex]
6. [latex]\begin{array}{rr}&5649\\\times&3\\\hline\\\end{array}[/latex]

C. Find the products.

1. [latex]\begin{array}{rr}&67\\\times&19\\\hline\\\end{array}[/latex]
2. [latex]\begin{array}{rr}&581\\\times&34\\\hline\\\end{array}[/latex]
3. [latex]\begin{array}{rr}&7310\\\times&46\\\hline\\\end{array}[/latex]
4. [latex]\begin{array}{rr}&754\\\times&692\\\hline\\\end{array}[/latex]
5. [latex]\begin{array}{rr}&2735\\\times&846\\\hline\\\end{array}[/latex]
6. [latex]\begin{array}{rr}&857\\\times&308\\\hline\\\end{array}[/latex]
7. [latex]\begin{array}{rr}&629\\\times&407\\\hline\\\end{array}[/latex]
8. [latex]\begin{array}{rr}&2805\\\times&15\\\hline\\\end{array}[/latex]
9. [latex]\begin{array}{rr}&5102\\\times&743\\\hline\\\end{array}[/latex]

D. Find the products. Use the shortcut.

1. [latex]\begin{array}{rr}&1000\\\times&82\\\hline\\\end{array}[/latex]
2. [latex]\begin{array}{rr}&100\\\times&26\\\hline\\\end{array}[/latex]
3. [latex]\begin{array}{rr}&6263\\\times&1000\\\hline\\\end{array}[/latex]
4. 407 × 100 =
5. 100 × 9482 =
6. 3614 × 10 =
7. 1000 × 1795 =

E. Find the products. Use the shortcut.

1. [latex]\begin{array}{rr}&50\\\times&40\\\hline\\\end{array}[/latex]
2. [latex]\begin{array}{rr}&600\\\times&800\\\hline\\\end{array}[/latex]
3. [latex]\begin{array}{rr}&9000\\\times&500\\\hline\\\end{array}[/latex]

F. Find an estimated product.

1. [latex]\begin{array}{rr}&68\\\times&39\\\hline\\\end{array}[/latex]
2. [latex]\begin{array}{rr}&185\\\times&94\\\hline\\\end{array}[/latex]
3. [latex]\begin{array}{rr}&6763\\\times&69\\\hline\\\end{array}[/latex]
4. [latex]\begin{array}{rr}&853\\\times&399\\\hline\\\end{array}[/latex]
5. [latex]\begin{array}{rr}&2735\\\times&846\\\hline\\\end{array}[/latex]
6. [latex]\begin{array}{rr}&68924\\\times&268\\\hline\\\end{array}[/latex]

G. Word problems.

1. The Yellow River in China is 5464 kilometres long. How many kilometres will 75 boats cover if they travel the length of the river?
2. Mount Logan in Canada is 5959 metres high. How many metres would 24 climbers cover if they were able to climb to the top of Mt. Logan?
3. How many pieces of candy are needed to pack 500 boxes, if each box has 8 rows and each row has 15 pieces of candy? (2-step question)
4. The distance between Prince Rupert and Kelowna is 1409 km. Estimate how many kilometres 42 trucks will travel if each truck makes one trip.

Answers to Unit 1 Review

1. Find the products.
   1. 405
   2. 219
   3. 882
   4. 2048
   5. 18684
   6. 24396
2. Find the products.
   1. 336
   2. 702
   3. 7136
   4. 3216
   5. 9500
   6. 16947
3. Find the products.
   1. 1273
   2. 19754
   3. 336260
   4. 521768
   5. 2313810
   6. 263956
   7. 256003
   8. 42075
   9. 3790786
4. Find the products. Use the shortcut.
   1. 82000
   2. 2600
   3. 6263000
   4. 40700
   5. 948200
   6. 36140
   7. 1795000
5. Find the products. Use the shortcut.
   1. 2000
   2. 480000
   3. 4500000
6. Find an estimated product.
   1. 70 × 40 = 2800
   2. 200  × 90  = 18000
   3. 7000 × 70 = 490000
   4. 900  × 400  =  360000
   5. 3000 × 800 = 2400000
   6. 70000  × 300  =  21000000
7. Word problems.
   1.  409800 kilometres
   2. 143016 metres or 286032 there and back
   3. 60000 pieces of candy
   4. 1000 × 40  =  40000 kilometres