Show how to make one addend the next ten number. complete the new addition sentence.

6) 18+3=___ ___+___=___

7) 27+24=___ ___+___=___

18+3 = 20 + 1 = 21

27 + 4 = 30 + 1 = 31

practice by drawing the problem on a number line.

To make one addend the next ten number, you simply add 10 to the given number.

Let's solve the first addition sentence:
1) 18 + 3 = ___

To make 3 the next ten number, we need to add 10 to it.
3 + 10 = 13

So, the complete new addition sentence is:
18 + 3 = 18 + 10 = 28

Now let's solve the second addition sentence:
2) 27 + 24 = ___

To make 24 the next ten number, we add 10 to it.
24 + 10 = 34

So, the complete new addition sentence is:
27 + 24 = 27 + 10 = 37 + 4 = 41