Basic Facts
1 digit x 2 digit
2 digit x 2 digit
Word Problems
Estimate
100

0x0=

0

100

10x1=

10

100

10x10=

100

100

Ms. Wolfe has 5 books. Ms. Ellingsen has 4 times as many books as Ms. Wolfe. How many books does Ms. Ellingsen have?

20 books

100

Round 71 to the nearest tenth

70

200

2x8=

16

200

14x3=

42

200

20x40=

800

200

Ms. George bought 12 pairs of shoes. Mrs. Wacker bought 4 times as many pairs of shoes as Ms. George. How many pairs of shoes does Mrs. Wacker have?

48 pairs of shoes

200

Round and estimate 12x18=

10x20=200

300

4x8=

32

300

27x6

162

300

56x31=

1,736

300

Ms. McCarthy has 18 pencils. Ms. Cavalcant has 27 times as many pencils as Ms. McCarthy, how many pencils does Ms. Cavalcant have?

27x18= 486 pencils

300

Round and solve: 34x19=

30x20=600

400

8x7=

56

400

74x7=

518

400

63x73=

4,599

400
The 4th grade teachers at Freedom bought 12 boxes of school supplies. Each box has 41 items in it. The 3rd grade teachers at Freedom bought 17 boxes of school supplies. Each box has 32 items in it. How many more items did the 3rd grade teachers get?

3rd grade bought 52 more items

400

Round and Solve: 47x81=

50x80=4000

500

9x9=

81

500

98x8=

784

500

68x92=

6,256

500
Costco sells boxes of Chips Ahoy cookies. A box of Chips Ahoy cookies has 14 individually wrapped packs in it. There are ABOUT 18 cookies in each individual pack. Ms. Wolfe decided to buy 20 boxes of cookies. About how many total cookies is she buying?

14x18 --> 10x20 = 200

200x20 = 4,000 cookies

500

Round and Solve: 75x95=

80x100=8000

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