Miscellaneous
63 x ? = 4 x ?
Commutative Property
63 x 4 = 4 x 63
29 x 32
30 x 30 = 900
60 x 5
300
68 x 24
1632
431 x 134
57,754
Which number is the multiplier?
975 x 847
847
812 x 12
800 x 10 = 8000
80 x 105
8,000,000
153 x 32
4896
742 x 343
254,506
9 x (7+?) = (? x ?) = (9x3)
9 x (7 +3) = (9x7) + (9x3)
distributive property
$4.89 x 29
$5.00 x 30 = $150
20 x 3000
60,000
450 x 32
14,400
7593 x 209
1,586,937
What are the added numbers after we multiply multi-digit numbers called?
partial products
$5.12 x 81
$5.00 x 80 = $400
7 x 102
700
2423 x 74
179,302
7419 x 382
2,834,058
What are the 6 steps in the multiplication process when you have a 3-digit multiplier?
1. Multiply your ones place of your multiplier to every digit in the multiplicand.
2. Put a zero in the partial product, to show you're moving onto then tens place of your multiplier.
3. Multiply the tens place digit of your multiplier by every digit in the multiplicand.
4. Put 2 zeros in the partial product, to show you're moving onto the hundreds place of your multiplier.
5. Multiply the hundreds place digit of your multiplier by every digit in the multiplicand.
6. Add your partial products for your finished product.
$8.22 x 318
$8.00 x 300 = $2400
4 x 600 x 103
2,400,000
92 x r when r = 621
57,132
305 x k when k =188,272
57,422,960