Big Array
Small Arrays
Split and Solve
Multiplying with "0" digits in ones and tens place
100

What is the big array made up of (4x10)+(4x9)

(4x19)

100
What 2 smaller arrays can I split 73x4 into?

answers will vary. ex. 70x4+3x4

100

Split 77x3 and solve.

231

100

We have 24 students in our class. If every student has 20 toys, how many toys does the class have all together?

24x20=480 toys

200

Why do we split arrays?

To make more challenging multiplication problems easier to solve.

200

If the 2 smaller arrays are 10x6 and 10x7, what is the product?

130

200

Split 49x9 and solve.

441

200

There are 48 books on my book shelf. If each book has 200 pages, how many total pages are there?

200x48=9,600 pages

300

What is the big array made up of 90x5 and 11x 5?

101x5

300

What smaller arrays can I split 96x8 into?

Answers will vary. Ex: 90x8 + 6x8
300

Split 88x11 and solve

968

300

I have 40 packs of pencils with 12 pencils in each pack. I give each of you (24) students a pencil. How many do I have left?

40x12=480

480-24=456 pencils

400

If the big array is 57x3 and one smaller array is 7x3 what is the other smaller array?

50x3

400

If the 2 smaller arrays are 50x8 +50x8, what is the big array and the product?

50x16= 800

400

Split 62x12 and solve

744

400

Sara has 6 pets. Each pet has 30 toys. She wants to take those toys and donate them to 3 animal shelters. How many toys will each shelter get?

30x6=180

180 divided by 3 = 60 toys

500

What is the product of a big array if the smaller arrays are 12x9 and 4x9?

144

500

If a big array is 17x12, what 2 smaller arrays could I make and what is the product?

(10x12)+(7x12)=204

500

split 88x13 and solve.

1,144

500

I have 140 dollars to spend on holiday gifts. I have 3 family members. How many can I spend equally on each family member? How much money will I have left over?

$25.00 with $2.00 left over.