True or False
6 x 24 = 144
True
It costs $84 to buy one computer from Mike's Computer Shop. How much does it cost to buy 6 computers?
$504
39 x 4
156
71+ 5 x 16 =
5 x 16 = 80
71+80 = 151
97 x 3
90 x 3 = 270
7 x 3 = 21
270 + 21 = 291
7 x 53 = 3,773
False
Tzirel reads 36 pages of a book each day. How many pages will she read after 7 days?
252 pages
98 x 5
490
5 x 43 + 9 x 24 + 25 =
481
Solve using Basic Algorithm
93 x 8
744
4 x 93 = 372
True
Solve 9 x 50. Explain why the strategy you chose works best with these factors.
I used 10, 100's 1,000's pattern because I can solve it in my head.
9x5 is a basic math fact and 45.
There is one "0" at the end of 50, so I add the " 0" to my answer and my answer is 450
22 x 7
154
13 + 12 + 5 x (1 + 39) =
225
Solve using basic algorithm
345 x 7
2,415
6 x 723 = 4,228
False
The gift shop at the animal park orders 3 boxes of toy animals. Each box has 1,250 toy animals. How many toy animals does the shop order?
3,750
498 x 6
2,988
Chaya volunteered to collect cans for a school project. She collected 57 cans in 8 days. There were 4 volunteers including Chaya, who each collected the same number of cans. How many cans did they collect in all?
57 x 8 = 456
4 volunteers including Chaya collected the same amount of cans as chaya.
456 x 4 = 1,824 cans
Solve using distributive property
233 x 2
200 x 2 = 400
30 x 2 = 60
3 x 2 = 6
400 + 60 +6 = 466
5 x 1,314 = 51,570
False
Kylie has 832 songs on her 24six. Lance is 3 times as many songs on his 24six. How many songs does Lance have on his 24six?
2,496 songs
7,294 x 4
29,176
Sara had 7 bags with 18 pretzels in each bag. She also had 3 boxes with 84 pretzels in each box. She gave 54 pretzels to her friend Tzivia. How many pretzels does Sara have left.
7 x 18= 126
3 x 84= 252
252 + 126 = 378
378 - 54= 324
Solve using distributive property:
369 x 9
300 x 9 = 2,700
60 x 9 = 540
9 x 9 = 81
2,700+ 540 + 81 = 3,321