Addition
41+67
108
87-56
31
13 x 13
169
96/3
(use a remainder if necessary)
32
Horacio invited 11 children from school and 6 children from the neighborhood. Including Horacio and his two brothers, how many children will be at the party?
20 children at the party
359+787
1,146
546-198
348
89 x 89
7,921
254/4
(use a remainder if necessary)
63 r2
April is 5.1 m tall and Minisha is 150 cm tall. Who is taller?
April is taller
5.1 m=510 cm
9,476+3,798
13,274
8,214-5,612
2,602
341 x 200
48,200
635/4
(use a remainder if necessary)
158 r3
During a normal day, there are 280 planes taking off from the airport, but the airport is a lot busier during Christmas. During the Christmas holidays, about 336 planes take off every day from the airport.
During the Christmas holidays, the airport opens 12 hours during each day, how many planes take off from this airport in each hour?
28 planes each hour
336/12=28
45,612+67,982
113,594
76,125-28,689
47,436
2,897 x 24
69,528
547/23
(use a remainder if necessary)
23 r18
Write an equation using “x” and then solve the equation. On the New Year Eve, Carlo loaded 7,580 tons of cargo in the morning. In the afternoon, there were x tons of cargo. The total weight of cargo loaded on the day weighed 12,997 tons.
x=5,417
7,580 + x = 12,997
999,999+987,654
1,987,653
539,167-539,172
-5
987,654 x 26
25,679,004
6,123/56
(use a remainder if necessary)
109 r19
Kinara has 15 oranges, 9 peaches and 18 pears. She wants to put all of the fruit into baskets with each basket having the same number of pieces of fruit in it. Without mixing the fruit, what is the greatest number of pieces of fruit Kinara can put in each basket?
3 pieces of fruit in each basket
The GCM of 15, 9, and 18 is 3
Factors of 15: 1, 3, 5, 15
Factors of 9: 1, 3, 9
Factors of 18: 1, 2, 3, 6, 9, 18