Addition & Subtraction
64 + 35 =
99
Round 634 to the nearest 100.
600
9x9=
81
Santa has 54 gifts in his sack. The elves add 62 more. How many gifts does Santa have in his sack now?
116 gifts
Frosty has 6 buttons. Round 6 to the nearest ten.
10
198 - 98 =
100
Round 185 to the nearest 10.
190
What multiplication equation does the picture represent?
XXXXX
XXXXX
XXXXX
XXXXX
4x5=20
The elves make 234 gifts for Christmas Eve. 13 of the gifts break. How many gifts are not broken?
221 gifts
The elves voted on their favorite candy. 12 elves voted for candy canes.
They made a picture graph. The key says that each gum drop represents 6 candies. How many pictures would there be for candy canes?
2 gum drops
2x6=12
158 + 183 =
Estimate
371 + 234 + 117 =
720 or 700
Sara has 5 boxes of stickers. Each box has 8 stickers. Tom has 7 bags of stickers. Each bag has 9 stickers. Who has more stickers?
Sara 5x8=40
Tom 7x9=63
Tom has more stickers.
A group of 8 reindeer are given 20 carrots each. How many carrots do they have in all?
8x20=160 carrots
We have 108 students in third grade. There are 12 candy canes in a box. How many boxes of candy canes would we need to buy?
12x c= 108
c=9
9 boxes
169 + 274 =
443
Estimate
756 - 234 =
530 or 600
How many groups of 8 are in 72?
9
Mrs. Clause makes 3 dozen cookies. The elves eat 15 cookies. Santa feeds 4 cookies to Comet. How many cookies are left?
3 x 12=36
36-15=21
21-4=17
17 cookies
Santa has 8 sacks full of presents. There are 70 gifts in each sack. How many gifts does he have?
8x70=560 gifts
1,234 - 685 =
549
What number rounds to 350 when rounded to the nearest 10.
345, 346, 347, 348, or 349 if rounding up
351, 352, 353, or 354 if rounding down
6x80=
480
There were 34 people at a Christmas party. 19 people are adults, and they ate Christmas pudding. The rest of the people are kids. If each kid ate 2 cookies, how many cookies were eaten?
34-19=15 kids
15x2=30 cookies
30 cookies
Mrs. Claus made hot chocolate for 12 elves. The bag of marshmallows has 100 marshmallows. Each mug of hot chocolate had 6 marshmallows. How many marshmallows are left in the bag after she made the hot cocoa?
12 x6=72
100-72=28
28 marshmallows are left