Show:
Why Add When You Can Take a Shortcut!
Word Problems
Use Those Zeros!
Order in the Court!
Math in the Real World
100
73 x 81
5,913
100
16 / 4
4
100
12 x 10
120
100
51 - 17 + 37
71
200
28 x 36
1,008
200
295 / 5
59
200
234,780 / 10
23,478
200
81 / 9 x 24
216
300
648 x 27
17,496
300
4232 / 23
184
300
? x 100 = 52,800
528
300
66 - 16 / 8
64
300
A farmer collects 1,250 eggs on a morning. She puts 30 eggs on each tray. How many trays does she need to hold all the eggs?
42 trays
400
8,359 x 55
459,745
400
6397 / 28
228 R 13
400
659 x 300
197,700
400
28 x (69 + 50)
3,332
400
Judy paid $3 for each packet of a dozen balloons. She sold each new packet of 25 balloons at $10. How much money did she make?
$180
500
7,651 x 46
351,946
500
295 / 31
9 R 16
500
6,900 / 3
2,300
500
72 / {36 / [(4 + 2) x 3]}
36
500
The 9 key on the calculator is not working. Show one way you can still use the calculator to find 1,234 x 79.
(1,234 x 80) - 1,234 OR (1,234 x 78) + 1,234