13 + 22 =
35
17 - 9 =
8
8 x 7 =
56
10 / 2 =
5
Jenny had 192 rocks in her collection. She found 65 more on a trip to Vancouver Island. How many does she have in all?
She has 257 rocks.
217 + 442 =
659
39 - 12 =
27
22 x 5 =
110
294 / 7 =
42
Jenny has 231 rocks in her collection. She donated 27 to the rock museum. How many does she have left?
She has 204 rocks left.
798 + 395 =
1292
338 - 219 =
119
454 x 15 =
6810
1,728 / 36 =
48
Jenny has 4 different types of rocks. There are 25 rocks of each type. How many rocks does she have in all?
She has 100 rocks.
69987 + 5349 =
75336
5002 - 456 =
4,546
357 x 4.3
1,535.1
204 / 13.6 =
15
Jenny had 382 rocks. She split them evenly into 2 groups: ones to keep and ones to donate to the museum. How many rocks are in each group?
191 rocks are in each group.
438.6 + 23.78
462.38
620.45 - 328 =
292.45
345.64 x 103
345,640
265.4 x 1/10
26.54
Jenny went out looking for rocks on the beach every day in a week. For six days in a row she found 20 rocks every day. On the last day she found 5. How many does she have in all?
She has 125 rocks in all.