Unit 2 Math Expressions

Fast Facts

100

8x9

72

200

12x12

144

300

7x3

21

400

7x7

49

500

12x5

60

Estimation

100

35x7

280

200

66x3

210

300

42x9

360

400

33x52

1,500

500

44x99

4,000

2x2 digit

100

32x62

1,984

200

47x89

4,183

300

72x31

2,232

400

15x16

240

500

87x49

4,263

2x3 digit

100

23x312

7,176

200

19x432

8,208

300

62x521

32,302

400

45x384

17,280

500

14x986

13,804

Word Problem

100

A member brings 25 cards to show and trade. If there are 35 members, how many cards were brought to the show?

875

200

Balloons are sold in packs of 25. There are 48 packages. How many balloons are there in total?

1,200

300

The soccer field is 23 yards wide and 45 yards long. How many yards of grass will be mowed before a game?

1,035

400

There are 51 students in fourth grade. If each student gets 42 pieces of candy on Halloween night. How many pieces of candy did all of 4th grade get?

2,142

500

AA batteries cost $6 a pack. A pack of D batteries cost $18. How many times more expensive are the D batteries than the AA batteries?

3