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add in any order lesson 1.6 when we look at an addition sentence an addition equation the numbers that we add together are called the add-ins at end we have our plus sign we have another again is equal to and our sum which is our answer we can add ed ends in any order when we change the order of the add-ins the sum is the same two green gems plus one purple gem equals three gems in all if we change the order and put the 1 here and the 2 back here one gem plus two gems still equals three gems we're still adding two green gems to one purple gem see we're still going to have three gems Emma has two green gems and Tala gives her one purple gem how many gems does Emma have two and one more she has three gems or if Emma has one purple gem and Tala gives her two green gems how many gems does Emma have one plus two she still has three so it doesn't matter what order we add our Add Ins the sum will be the same we can color the squares blue or red to match the equation then change the order three plus two we can have three blue ones plus two red ones three plus two is one two three four five squares if we change the order and have two red ones plus three blue ones we still have five squares colored in it doesn't matter what order the add-ins are in five plus two if we have five blue ones one two three four five and then we have two red ones how many squares are colored in one two three four five six seven we have seven if we change the order and put two red ones and then we put five blue ones how many squares do we have colored in 1 2 3 4 5 6 7 we have 7 it's the same amount it's the same sum it didn't matter what order the addends were in let's try it again 4 plus 3 we can have 4 blue ones we can have 3 red ones how many squares are colored in 1 2 3 4 5 6 7 we can change the order and color three red ones first then we can put the four blue ones how many squares are colored in one two three four five six seven it's still seven even though we changed the order of the colors see the sum stays the same right the sum circle the addition sentences in each row that have add-ins in a different order so in this first row let's write the sums six plus one more would be seven seven is the number that comes after six so one more would be seven seven plus one seven and one more that would be eight one plus seven we have one and we add seven more is the same as 7 plus one because it doesn't matter what order they go in that's eight which two addition sentences in that row have the addends in different order we've got this one and this one what is 4 + 2 4 + 2 more 1 2 3 4 and 2 more 4 5 6 4 plus 2 is 6 6 + 1 more that's 7 2 + 4 1 2 1 2 3 4 that's 1 2 3 4 5 6 which 2 addition sentences in this row have add-ins in different orders you you said this one and this one you're right one plus five we have 1 and 1 2 3 4 5 that's 1 2 3 4 5 6 5 plus 1 the add-ins are just in different order aren't they that's a 6 & 6 plus 2 is 1 2 3 4 5 6 and 2 more that's 1 2 3 4 5 6 7 8 which addition sentences in this row have ad ends in different order if you said this one and this one you're right see a row goes across this way sing so that's a row that's a row and that's a row going straight across choose add-ins to complete the addition sentence change the order write the numbers so what two numbers can we think of that will equal eight let's try to make it so they're not the same number because then it wouldn't matter if we change the order would it what number is equal eight how about 7 plus 1 that equals 8 so change the order now we put the 1 here and the 7 here and what will it equal there will be equal to 8 the sum stays the same let's try it again a number plus another number equals 7 what numbers can we pick that will equal 7 we could use 6 plus 1 we could use 5 plus 2 we could use 3 plus 4 they all equal 7 let's use 6 and 1 if we change the order then the 1 goes here and the six goes here and do you know what it will be equal to if you said 7 you're right because if we change the order the sum stays the same when we add right to addition sentences that tell about the picture well there's 4 owl's this is going to be the sum the sum is going to be 4 because there's 4 owls and we know it's going to equal 4 don't we so now we need to think of two numbers that we can add together that will equal four that we can change their order and it'll still equal four how about three owls plus 1 3 plus 1 is equal to 4 now we can change the order and do 1 plus 3 is equal to 4 let's try this one there's just one truck so it's going to equal 1 for both of them we could say 0 trucks plus 1 truck equals 1 truck and then we can switch the order and say 1 plus 0 equals 1 and that would make it true wouldn't it that tells about having one truck draw the lines to match the same Adan's in a different order so we have a lot of equations here and we need to draw a line from the dot to the dot for the equations that have add-ins in a different order here we have 5 plus 2 equals 7 so on this side do you see the add-ins in a different order here it's right here 2 plus 5 instead of 5 plus 2 we have 2 plus 5 so we can draw a line to connect this one to this one see how about 8 plus 2 equals 10 do you see the same add-ins in a different order on this side 8 plus 2 if we switched it around it would be 2 plus 8 wouldn't it so these match six plus four equals ten do you see the add-ins in a different order on this side here we go four plus six that's in a different order six plus four four plus six so we can draw a line from this one to this one because they match and we have three plus four equals 7 and the only one left is four plus three and they are the same add-ins in different order so we can draw a line to match those see they still equal the same sum they're just in a different order so now you can do the hands-on on pages 43 44 45 and 46 and when you're finished with that you can do the practice and homework on pages 47 and 48 if you have trouble doing this try watching the video again our next lesson is put together numbers 210 that'll be lesson 1.7 I hope this video was helpful and if it was please hit the like button so I know and read the questions and the problems carefully I hope you do well and I'll see you next video bye