Starter Sparks
7 * 8 =
56
42 * 15 =
630
0.5 * 10 =
5
3 boxes of 12 pens each, how any pens in all?
36 pens
Equal Groups: A pack of pencils contains 12 pencils. How many pencils are in 8 packs?
= 96 pencils
Equal Groups: 12 * 8 = 96.
You are adding the same group size 8 times.
9 * 6=
54
124 * 3 =
372
1.2 * 4 =
4.8
5 days, 25 miles = how many miles in all?
125 miles
Comparison: Maya has $15. Her older brother has 4 times as much money. How much money does her brother have?
= 60$
Comparison: 15 * times 4 = 60.
Think of it as:
15 * times 2 = 30,
then 30 * times 2 = 60.
12 * 4 =
48
56 * 24 =
1,344
0.25 * 3 =
0.75
12 eggs, 15 cartons, how many eggs in all?
180 eggs
Area Model: A classroom rug is 9 feet long and 11 feet wide. What is the total square footage of the rug?
= 99 sq. ft.
Area: 9 * times 11 = 99.
Multiplying length by width gives the total space covered.
11 * 7 =
77
312 * 12 =
3,744
4.5 * 2 =
9
20 kids, $5.50, how much money in all for all kids?
$110
Rate: A cyclist travels at a constant speed of 14 miles per hour. How many miles will they travel in 5 hours?
= 70 miles
Rate: 14 * times 5 = 70.
Easy mental math:
10*5 = 50
and 4*5 = 20
50 + 20 = 70
8 * 9 =
72
99 *85
8,415
0.12 * 0.5 =
0.06
1.5 hours, 60 mph, how many miles in all?
90 miles
The Combo: A movie theater has 12 rows with 20 seats in each row. If 3 rows are empty, how many seats are occupied?
=180 seats
Multi-Step: First, find the rows used (12 - 3 = 9). Then multiply occupied rows by seats per row (9 * 20 = 180).