Addition/Subtraction
157 + 435 =
592
25 X 34 =
850
60
1/4 x 2/5 =
1/10
2a + 5
What is the variable?
a
745 + 235 =
980
48 x 65 =
3,120
(3 x 5 -10) + (10 - 5 + 20) =
30
2/3 x 1/2 =
1/3
2a + 5
What is the constant?
5
1,398 + 867 =
2,265
125 x 36 =
4.500
20 - (2 + 3 x 2) + 5
17
2/3 x 3/4 =
1/2
2a + 5
What is the coefficient?
655 - 476 =
179
1,456 x 42 =
61,152
(10 - 3 x 2) x (5 x 2) =
40
1/3 + 1/4 =
7/12
Solve when a = 3.
5a + 3 x 2=
21
723 - 467 =
256
1,532 x 55 =
84,260
100 - (3 x 10 + 30) -20 =
20
3/4 - 1/3 =
5/12
Solve when a = 2
10 + 2a x 3 =
22