Unit 4

Lattice Method

100

Using the Lattice Method, 

solve 9 x 23

2,070

200

Using the Lattice Method, 

solve 7 x 234

1,638

300

Using the Lattice Method, 

solve 34 x 50.

1,700

400

Using the Lattice Method, 

solve 88 x 301

26,488

500

Using the Lattice Method, 

solve 22 x 1234

27,148

Mom & Pop

100

Using Mom & Pop,

estimate and solve 42 x 35.

40 x 40 = 1,600

200

Using Mom & Pop,

estimate and solve 38 x 22.

40 x 20 = 800

300

Using Mom & Pop, 

solve 23 x 22.

506

400

Using Mom & Pop, 

solve 92 x 19.

1,748

500

Using Mom & Pop, 

solve 75 x 35.

2,625

Area Model

100

Using the Area Model, solve

2 x 358

716

200

Using the Area Model, solve

6 x 1234

7,404

300

Using the Area Model, solve

40 x 37

1,480

400

Using the Area Model, solve

74 x 299

22,126

500

Using the Area Model, solve

89 x 436

38,804

Solve your way

100

Using any method of your choice

solve, 7 x 468

3,276

200

Using any method of your choice

solve, 30 x 26

780

300

Using any method of your choice

solve, 10 x 136

1,360

400

Using any method of your choice

solve, 18 x 42

756

500

Using any method of your choice

solve, 56 x 486

27,216