Place Value
True or False
67 = 60 + 7
True
6 x 5
30
63 x 8
504
Round this number to the nearest 10
58
60
Keith grew 43 watermelons, but the rabbits ate 37 watermelons. How many watermelons does Keith have left ?
43 - 37 = 6 watermelons
Fill in the missing number - 458
400 + 50 + ?
8
24892342 x 0
0
782 + 239
1021
Round this number to the nearest 100
231
200
Jessica picked 915 apples and Melanie picked 438 apples from the apple tree. How many apples were picked in all?
915 + 438 = 1353 apples
Is this correct?
Six hundred and ninety = 609
No
34 x 10
340
873 - 29
844
Round this number to the nearest 10
582
580
Mike has saved 5 twenty cents coins from washing cars. How many cents does Mike have?
20 x 5 = 100 cents
20 + 20 + 20 + 20 + 20 = 100 cents
Partition this number
703
700 + 0 + 3 or
700 + 3
144/12
12
78/8
9 r 6
Give 3 numbers that can be rounded to 80
79, 78, 77, 76, 75, 81, 82, 83, 84
Sandy has 7 dozen golf balls. How many golf balls does she have?
(Hint: dozens equals how much? If you want us to share, redeem 100 points)
12 x 7 = 84 golf balls
True and false
The same number could be used in both number sentences.
945 < ? < 954
950 > ? > 947
True - 948 or 949
945 < 948 < 954
950 > 948 > 947
267 - 50
210
139 x 2
278
True or false
49 is the greatest whole number that rounds to 50 when rounded to the nearest 10
False
54
Melanie had Pokemon cards. She gave 428 to her friends. She now has 140 Pokemon cards left. How many Pokemon cards did she have to start with?
140 + 428 = 568 Pokemon cards