Single-Digit Facts
Multiply: 7 × 8.
56
Compute: 14 × 6.
84
If one pack has 6 pencils and you buy 9 packs, how many pencils do you have?
54 pencils
What is 5 × 9? Then explain why 9 × 5 gives the same answer (state the property).
45; commutative property of multiplication (order doesn't change product).
6 × 7 = ?
42
Multiply: 9 × 6.
54
Compute: 23 × 4
92
A baker places 8 cookies on each tray. If she bakes 13 trays, how many cookies?
104 cookies
Use the distributive property to compute 7 × 26 by breaking 26 into 20 + 6.
7 × (20 + 6) = 7×20 + 7×6 = 140 + 42 = 182
8 × 8 = ?
64
Multiply: 4 × 7
28
Compute: 17 × 12.
204
A school orders 24 boxes of markers. Each box holds 15 markers. How many markers total?
360 markers
Without multiplying completely, explain whether 15 × 24 is even or odd and why.
Even, because 24 is even; even × any integer = even.
11 × 6
66
Multiply: 3 × 8
24
Compute: 125 × 8
1000
theater has 27 rows with 18 seats each. How many seats in total?
486 seats
ind 25 × 16 by using a shortcut (think of 25 as 100/4).
25 × 16 = (25 × 4) × 4 = 100 × 4= 400
5 × 12
60
Multiply: 12 × 5 (use basic fact knowledge).
60
Compute: 48 × 27
1296
A textbook has 432 pages. A classroom of 24 students divides printing cost evenly; cost per student is $3. How many total dollars did the class pay?
Total cost = 24 × $3 = $72; class paid $72
Explain how you can get 48 × 125 quickly using place-value reasoning.
48 × 125 = 48 × (1000/8) = (48/8) × 1000 = 6 × 1000 = 6000
9 × 9 = ?
81