Addition
23 + 45 =
68
43 - 32 =
11
Round 47 to the nearest 10
50
Write the number name for 246
Two hundred forty-six
Jon had 14 marbles. He gave some to Bill. Jon now has 6 marbles left. How many marbles did he give to Bill?
8
14 - 6 = 8
126 +146 =
272
78 - 27 =
51
Round 367 to the nearest 10
370
What is the expanded form of 386
300 + 80 + 6
Shelly has 7 toy dogs, 8 toy horses and 9 toy cats laying around her room. When she went back to her room she picked up all the toy dogs and toy cats. How many animals did she pick up?
She picked up 7 dogs and 9 cats.
7 + 9 = 16 animals
567 + 245 =
812
385 - 172 =
213
Round 247 to the nearest hundred
200
Which is the larger number and why
234 or 219
234 is greater because you compare the 10's place and 3 is greater than 1
Jason has 34 football stickers. He then received 27 baseball stickers and 19 soccer stickers. He gave away 9 football stickers. How many stickers does Jason have left?
34 + 27 + 19 = 80
80 - 9 = 71 left
1,265 + 356 =
1,621
62 - 38 =
24
Round 476 to the nearest 100
500
What is the next number in this string? Why?
110, 120, 130, 140, ____, 160, 170.....
150
Counting by 10's
Wendy and Rick went to pick cherries. Wendy picked 137 cherries and Rick picked 87 cherries. They then ate 49 cherries. How many cherries are left?
137 + 87 = 224
224 - 49 = 175 cherries left
879 + 1,567 =
2,446
514 - 369 =
145
Round 697 to the nearest 10
700
What number is this in standard form?
1,000 + 300 + 40 + 8
1,348
Shawn, Mike and Tom were playing a video game. They scored a total of 279 points. Shawn scored 87 points. Mike scored 96 points. How many points did Tom score?
87 + 96 = 183
279 - 183 = 96 points scored by Tom
or
279 - 87 = 192
192 - 96 = 96 points scored by Tom