Patterns
What comes next in the pattern: 4, 8, 12, 16, ___
20
Break apart 3 × 24 using an area model.
3 × (20 + 4) = 60 + 12 = 72
6 × 14
84
3 × 124
372
A box has 6 rows of 12 crayons. Find how many crayons are in the box.
72
This pattern grows by 5 each time: 10, 15, 20, 25, ___
30
Solve 5 × 32 using an area model.
5 × (30 + 2) = 150 + 10 = 160
8 × 23
184
2 × 315
630
There are 4 bags with 25 marbles in each bag. How many marbles are there?
100
A shape pattern goes: circle, square, triangle, circle, square, triangle, ____
circle
Solve 4 × 18 using an area model.
4 × (10 + 8) = 40 + 32 = 72
7 × 35
245
4 × 231
924
A class has 8 tables. Each table has 14 pencils. Find how many pencils are there in all.
112
Tell whether this is repeating or growing:
2, 4, 6, 8, 10
Growing
Find the missing partial products:
6 × 27 = (6 × 20) + (6 × 7) = ___ + ___
120 and 42
4 × 27
108
5 × 1,204
6,020
A library has 3 shelves with 215 books on each shelf. How many books are there altogether?
645
A pattern starts at 7 and adds 7 each time. What are the next three numbers after 21?
28, 35, 42
Solve 7 × 46 using an area model.
7 × (40 + 6) = 280 + 42 = 322
9 × 48
432
3 × 2,111
6,333
A bakery makes 6 trays of cookies. Each tray has 32 cookies. How many cookies are made altogether?
192