RECORDED CLASSESMATH 101 ADDITION Add numbers combine values Plus sign (+) Addends on both sides of the sign Added terms equal a sum. Clues will help you know to add. “plus” 4 plus 3 “increased by” 4 increased by 3 “sum” The sum of 4 and 3 “more than” 3 more than 4 use a plus sign in the equation long addition carry the one Addition is commutative. The order of terms does not matter. |
INDEX MATH 101 1. Addition 444 3. Addition 2 333 4. Addition 3 333 5. Addition 4 444 You commute to work or school. You change position but not who you are. Addition is associative. Grouping symbols don’t change the value. You associate with other people. In may be part of many groups. Who you are does not change. |
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ADDITION 1 Meaning Clusters
two
or more numbers. You have 2 oranges in
your refrigerator. You place 3 more oranges in
your refrigerator. 2+ 3 The sum or total number of oranges in your refrigerator is
5. 2 + 3 = 5 Your friend gives you 10 mangos. Match the numbers by
their ones position. 10 mangos + 5 oranges Unless the
numbers have decimal
points the last
digit on the right
side will match. The sum of the digits 0 and 5 from the ones
position is 5. 1 is the only digit in the tens position. 10 mangos + 5 oranges 15 pieces of fruit |
MEMORY
TRIGGERS TESTS Addition____________________________ ___________________________________ ______________2____________________
________3__________________________ ___________________________________ ______sum__________________________ ___________________________________ ______________gives_________________ ___________________________________ Match______________________________ ___________________________________ _________________numbers___________ ___________________________________ 1__________________________________ ___________________________________ Speed Learning format by
Carl Peterson ©2005 |
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ADDITION 2 Meaning Clusters
oranges and
mangos and you buy 17 kiwis. Line up the
numbers by their ones position. 17 kiwis + 15 oranges and mangos Add the
digits in the ones position. 7 + 5 = 12 The digits’
sum is more than one digit. Carry the 1 to the tens position. 117 kiwis + 15 oranges and mangos 2 Add the
digits in the tens position. 1 + 1 + 1 = 3 117 kiwis + 15 oranges and mangos 32 pieces of fruit You pick a
bunch of 189 grapes. 189 grapes + 32 pieces of fruit Line up and
add the digits. 9 + 2 = 11
(carry the one) 8 + 3 + 1 =
12 (carry the one) 1 + 1 = 2 11189 grapes + 32 pieces of fruit 221 pieces of fruit |
MEMORY
TRIGGERS TESTS You________________________________ ___________________________________ Line_______________________________
Add________________________________ ___________________________________ _______digits’_______________________ ___________________________________ Carry______________________________ ___________________________________ ______________________tens__________ ___________________________________ 1__________________________________ ___________________________________ _____up____________________________ ___________________________________ Speed Learning format by
Carl Peterson ©2005 |
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ADDITION 3 Meaning Clusters
combine your
collections of rubber bands. If the
collections number 978, 1049, 895 and 783 how many bands will you have? Add the
digits in the ones position. 8 + 9 + 5 + 3 = 25 5 will be the
digit in the final
sum’s ones position. Carry the 2 to the tens position. 9 27 8 1 0
4 9 8
9 5 + 7 8 3 5 Add the
carried 2 and the
digits in the tens position. 2 + 7 + 4 + 9 + 8 = 30 0 will be the
digit in the final
sum’s tens position. Carry the 3 to the hundreds position. 39 27 8 1 0 4 9 8
9 5 +7 8 3 0 5 Add the
carried 3 and the
digits in the hundreds position. |
3 + 9 + 0 + 8 + 7 = 27 7 will be the digit in the final sum’s hundreds
position. Carry the 2 to
the thousands position. 39 27 8 21
0 4 9 8
9 5 + 7 8
3 7
0 5 Add the 2 to the digit in
the thousands position. 2 + 1 = 3 3 will be the digit in the final sum’s thousands
position. 39 27 8 21
0 4 9 8
9 5 + 7 8
3 3 7
0 5 MEMORY
TRIGGERS TESTS ______________combine______________ ___________________________________ Carry______________________________
______________digit_________________ ___________________________________ ____________________________position Speed Learning format by
Carl Peterson ©2005 |
RECORDED CLASSESMATH 101 ADDITION Add numbers combine values Plus sign (+) Addends on both sides of the sign Added terms equal a sum. Clues will help you know to add. “plus” 4 plus 3 “increased by” 4 increased by 3 “sum” The sum of 4 and 3 “more than” 3 more than 4 use a plus sign in the equation long addition carry the one Addition is commutative. The order of terms does not matter. |
You commute to work or school. You change position but not who you are. Addition is associative. Grouping symbols don’t change the value. You associate with other people. In may be part of many groups. Who you are does not change. |