ABE Math Tutorials/Whole numbers/Introduction/Addition and Subtraction Facts

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Addition and subtraction facts

This is the first lesson to go over your preknowledge on basic addition and subtraction.



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Self Assessment

What are good solid arithmetic skills?

Having good arithmetic skills means that you are able to do basic adding, subtracting, multiplying and dividing; quickly, "in your head", from memory.

You should be able to answer the following questions like these from memory, without having to figure them out each time. On a piece of paper, write down the question number and your answer.


Pen to paper, image courtesy of wader, on Flickr
14 + 8 =
220 ÷ 5 =
37 x 3 =
411 - 6 =
53 + 9 =
68 x 5 =
714 - 9 =
848 ÷ 6 =
94 x 8 =
107 + 5 =
1164 ÷ 8 =
1216 - 7 =
1312 - 4 =
142 x 6 =
1572 ÷ 9 =
167 + 7 =
179 x 6 =
1811 - 9 =
198 + 6 =
2035 ÷ 5 =

Mark yourself: Ready for the answers? Here they are: (1)12; (2)4; (3)21; (4)5; (5)12; (6)40; (7)5; (8)8; (9)32; (10)12; (11)8; (12)9; (13)8; (14)12; (15)8; (16)14; (17)54; (18)2; (19)14; (20)7.