Patterns on the Multiplication Table
Find the product. Is the product even or odd?
5 x 6 =
30, even
30 x 7 =
210
Write another way to group the factors. Then find the product.
2 × (2 × 6)
(2 × 2) × 6
24
4 x 14 =
56
42 x 3 =
126
Find the product. Is the product even or odd?
7 x 3 =
21, odd
60 x 7 =
420
Use parentheses and multiplication properties. Then find the product.
7 × 2 × 3 =
7 × (2 × 3) =
42
If a cow eats 43 pounds of feed in one week, how many pounds do 7 cows eat?
301 pounds
Ashley has 4 bags each of red marbles and yellow marbles. Each bag holds 14 marbles. How many marbles does Ashley have?
112 marbles
Matt is counting groups of squares on a quilt he is making. Which describes Matt’s pattern?
3, 6, 9, 12, 15, 18
Add 3
Each time a student turns in a perfect spelling test, Ms. Ricks puts an achievement square on the bulletin board. There are 6 rows of squares on the bulletin board. Each row has 30 squares. How many perfect spelling tests have been turned in?
180 spelling tests
Reggie has 65 quilt patches. He makes 2 quilts with 5 rows of 6 patches in each quilt. How many quilt patches will be left over?
5
8 x 36 =
288
86 x 9 =
774
Jenna says that no row or column contains products with only odd numbers. Do you agree? Explain.
Yes, each row or column is either all even or it alternates between even and odd.
Minka buys 8 CDs for $6 each. She pays with three $20 bills. How much change should Minka receive?
$12
Randy’s garden has 3 rows of carrots with 3 plants in each row. Next year he plans to plant 4 times the number of rows of 3 plants. How many plants will he have next year?
36 plants
A train travels 47 miles between two cities. If the train makes 4 trips in one day, how many miles does it travel?
188 miles
Sharon is 54 inches tall. A tree in her backyard is 5 times as tall as she is. The floor of her treehouse is 108 inches from the ground. What is the difference, in inches, between the top of the tree and the floor of the treehouse?
162 inches
Carl shades a row in the multiplication table. The products in the row are all even. The ones digits in the products repeat 0, 4, 8, 2, 6. What row does Carl shade?
The row of 4
Kent buys 5 bags of potatoes that cost $7 each. He gives the clerk $40. How much change should Kent receive?
$5
Michael plays a fishing game at the school carnival. He plays 4 times and catches 3 fish each time. For each fish Michael catches, he wins a set of 3 toy planes. How many toy planes does Michael win?
36
There are 8 trays of sandwiches at a picnic. Each tray holds 22 sandwiches. If 12 sandwiches are left over, how many sandwiches were eaten?
164 sandwiches
Devon collects 23 bottles and 4 boxes of 16 cans on recycling day. His goal is to collect 100 items. How many more items does Devon need to reach his goal?
13 items