I need help understanding this and help with the problems...
* show how to make one addend to the next ten number. Complete the new addition sentence. With these it also ask to complete the new addition sentence.
I will include the pictures of the work.
This would help me greatly because I don't get the math the use for the kids these.

number 1 is 52 number 2 is 71 and number 3 is 64

Answered by jeanmariedebora | 2024-06-10

15+37=?


15=10+5 (given on the diagram)
37=30+7 (given on the diagram)
add digits to digits 5+7=12=10+2
add tens to tens 10+30+10=50
add tens and digits 50+2=52.


22+49=?


22=20+2 (given on the diagram)
49=40+9 (given on the diagram)
add digits to digits 2+9=11=10+1
add tens to tens 20+40+10=70
add tens and digits 70+1=71.


38+26=?


38=30+8 (given on the diagram)
26=20+6 (given on the diagram)
add digits to digits 8+6=14=10+4
add tens to tens 30+20+10=60
add tens and digits 60+4=64.

Answer: 1) 52; 2) 71; 3) 64.

Answered by frika | 2024-06-11

To make an addend the next ten number, find the difference between the addend and the next ten number, then complete the new addition sentence. For example, for 15, we need to add 5 to make it 20, resulting in 15 + 5 = 20. Practicing this with different numbers helps improve understanding.
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Answered by frika | 2024-12-26