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So why is math important? (Christian Worldview) Music, art, language, amusement parks, and most other things that cause joy would simply not be possible without math. We should never be content to simply study numbers, but to study the One that created the numbers. A few years ago, a little boy shared that he thought math was boring. "Boring?!? Oh, I see, you are not a Christian." The little boy took offense saying that he most definitely was a Christian. "How can math be boring to a Christian since God created it and God is not boring?!" The little boy has not complained about math being boring since.
The + is the sign that we use to show that we are adding. It is read as plus or and.
Look at the Union Jack, the flag of the United Kingdom.
Do you see the +? This is from the cross of Britain's patron saint, St. George. See if you can locate Scotland and the United Kingdom in an atlas and on a globe. Have your parents show you an atlas. An atlas is a book that has maps of many countries. Most atlases have pictures of a country's flag. Count how many flags you see that has a cross like + or X.
Now, on to the addition / subtraction math families !
|Twos ( 0,2 / 1,2 )||
( 0,11 / 1,10,11 / 2,9,11
3,8,11 / 4,7,11 )
|Threes ( 0,3 / 1,2,3 )||
( 0,12 / 1,11,12 / 2,10,12
3,9,12 / 4,8,12 / 6,12 )
|Fours ( 0,4 / 1,3,4 / 2,4 )||
( 0,13 / 1,12,13 / 2,11,13
3,10,13 / 4,9,13 / 5,8,13 / 6,7,13 )
( 0,5 / 1,4,5 / 2,3,5 )
( 0,14 / 1,13,14 / 2,12,14 / 3,11,14 / 4,10,14 / 5,9,14 / 6,8,14, 7,14 )
( 0,6 / 1,5,6 / 2,4,6 / 3,6 )
( 0,15 / 1,14,15 / 2,13,15 / 3,12,15/ 4,11,15 / 5,10,15 / 6,9,15 / 7,8,15 )
( 0,7 / 1,6,7 / 2,5,7 / 3,4,7 )
( 0,16 / 1,15,16 / 2,14,16 / 3,13,16 / 4,12,16 / 5,11,16 / 6,10,16 / 7,9,16 / 8,16 )
( 0,8 / 1,7,8 / 2,6,8 /
3,5,8 / 4,8 )
( 0,17 / 1,16,17 / 2,15,17 / 3,14/17 / 4,13,17 / 5,12,17 / 6,11,17 / 7,10,17 / 8,9,17 )
(includes Nines Trick)
( 0,9 / 1,8,9 / 2,7,9 /
3,6,9 / 4,5,9 )
( 0,18 / 1,17,18 / 2,16,18 / 3,15,18 / 4,14,18 / 5,13,18 / 6,12,18 / 7,11,18 8,10,18 / 9,18 )
( 0,10 / 1,9,10 / 2,8,10
3,7,10 / 4,6,10/ 5,10 )
( 0,19 / 1,18,19 / 2,17,19 / 3,16,19 / 4,15,19 / 5,14,19 / 6,13,19 / 7,12,19 8,11,19 / 9,10,19 )
|2s, 3s, 4s Review||Addition Chart|
|5s, 6s, 7s Review||Addition Chart with Answers|
|8s, 9s, 10s Review||Subtraction Chart|
|11s, 12s, 13s Reviews||Subtraction Chart with Answers|
|14s, 15s, 16s Reviews||100 Addition Facts Drill|
|17s, 18s, 19s Reviews||100 Subtraction Facts Drill|
Click here for PDF Adobe Acrobat files for addition/subtraction fact drills
Math families for addition and subtraction are a fun way to learn. The following are some ideas of how to make these abstract math concepts more concrete for your little ones.
Use things around the home to physically demonstrate addition and subtraction ... toy blocks, marbles, candy, small erasers, coins, dog kibbles, cups, books, shoes, small toys, buttons, etc. In short anything that can be sorted into piles to demonstrate the Math Family you are currently working on.
It is important to verbally say the number family that you are currently working on. Perhaps working them into sing-song or jig format (e.g., 2,3,5 / 2,5,3 / 3,2,5 / 3,5,2 / 5,2,3 / 5,3,2) Children respond quickly to such a format hence the longetivity of nursery rhymes. Many adults can still remember old commercials due to this sing-song or jig format.
Using the numbers on a deck of cards or the dots on dominoes are VERY helpful when learning how to add and subtract.
See Addition Chart (Addition Chart with Answers) and Subtraction Chart (Subtraction Chart with Answers).
Review, Review, Review, Review is the key to mastering the math concepts !
Request: Do you have recommendations for Addition/Subtraction? If so, e-mail us your ideas by clicking here