Partial Products/Area Models
Multiply 2 digit numbers
Standard Algorithm
Word Problems
Estimate and Round
Multiply by Tens
100

99x66

6534

100

    97 X 34                                                                     

3298

100

There are 16 students in a 3rd grade class. They completed 21 math problems. How many math problems were completed in all?

336

100

2410 rounded to hundred

2400

100

45x10

450

200

66x33

2178

200

95x68

6460

200

Jaylen has 25 gumballs. His friend Adam gave him 11 times as much as he has. How many gumballs does Jaylen have now?

275 is the answer

200

4151 rounded to the nearest thousand

4000

200

25x10

250

300

12x12

144

300

14x11

154

300

Kameila has 53 boxes She wants to double the amount of boxes. If she does that how much will she have.

106

300

1141 rounded to the nearest thousand

1000

300

25x90

2250

400

10x91

910

400

25x90

2250

400

Alex has 50 papers. He give Greg 22 papers. how many papers will Alex have now?

28

400

2414 rounded to the nearest ten

2410

400

22x20

440

500
25x25

625

500

64x64

4096

500

Rodrick has 60 pens. Manny gives him 60 more pens, how many pens does Rodrick have now?

120

500

41261 rounded to the nearest thousand

41000

500

69x40

2760