Multiplication: multiple digits by single digit
12 x 5 =
60
Write the formulas for area and perimeter.
A = L x W
P = Add all sides
72 / 8 =
9
List the factors of 6 and classify as prime or composite.
1, 2, 3, 6. Composite.
21 x 12 =
252
42 x 3 =
126
Find the perimeter for a square whose side is 7in.
28 in.
354 / 3 =
118
List the factors of 17 and classify as prime or composite.
1, 17. Prime.
46 x 11 =
506
365 x 4 =
1,460
Find the area for a rectangle whose length is 3cm and width is 8cm.
24 cm
459 / 5 =
91 R 4
List the factors of 30 and classify as prime or composite.
1, 3, 5, 6, 10, 30. Composite.
63 x 30 =
1,890
5,280 x 4 =
21,120
A rectangular porch is 4ft wide. It is 3 times as long as it is wide. What is the perimeter?
32 ft.
9,008 / 3 =
3,002 R 2
Is 3 a factor of 84?
Yes, 84 / 3 = 28 with no remainders.
96 x 73 =
7,008
9,403 x 6 =
56,418
The area of a rectangle is 42 square cm and its length is 7cm. What is the width?
A / L = W
42 / 7 = 6 cm
8,313 / 4 =
2,078 R 1
Is 8 a factor of 92?
No, 92 / 8 is 11 with a remainder of 4.
87 x 49 =
4,263