3rd Grade Addition/Subtraction
37 + __ = 100
37 + 63 = 100
4 x 5 = __
4 x 5 = 20
12 divided by 3
12 / 3 = 4
Use a symbol to compare 2/4 and 2/8.
2/4 > 2/8
Marcus had a collection of 315 toy cars. After giving away some of his cars, he had 240 cars left. How many toy cars did Marcus give away?
Marcus gave away 75 toy cars.
315-240=75
216 - 79 = __
216 - 79 = 137
__ x 5 = 35
7 x 5 = 35
25 divided by 5
25 / 5 = 5
Use a symbol to compare 6/8 and 3/4.
6/8 = 3/4.
They are equivalent.
Malika's family is going on a trip. They are traveling 283 miles the first day, 365 miles the second day, 116 miles on the third day, and 359 miles the fourth day. How many miles are they traveling on the first three days of their trip?
764 miles
283+365+116=764
378 + 539 = __
378 + 539 = 917
4 x 9 = __
4 x 9 =36
24 divided by 4
24 / 4 = 6
A pizza has 5 pieces. Sara eats 3 pieces. What fraction of the pizza is left?
2/5
There are 3,279 dimes and 1,317 pennies in a jar. How many more dimes are there than pennies in the jar?
There are 1,962 more dimes than pennies.
3,279-1,317=1,962
298 + 953 = __
298 + 953 =1,251
30 x 8 = __
30 x 8 = 240
72 divided by 9
72 / 9 = 8
Name two fractions equivalent to 1/2.
There are several...your teacher will tell you if you are correct.
A package of buttons has 9 buttons. Julie needs 31 buttons for her project. How many packages does Julie need to buy to have enough buttons for her project? How many buttons will she have left over?
Julie needs 4 packages of buttons.
9x4=36
Julie will have 5 buttons left over.
36-31=5
1,000 - 754 = __
1,000 - 754 = 246
6 x 12 = ___
6 x 12 = 72
90 divided by 3
90 / 3 = 30
If you had a candy bar and gave away 3/8 to one friend and 2/8 to another friend, how much would you have left?
You would have 3/8 left.
3/8 + 2/8 = 5/8
8/8 - 5/8 = 3/8
Laura bought four new chairs for $90 each. She gave the cashier $500. How much change did Laura receive?
$140
4 x 90 = $360
500-360=$140