2 and 3 digit addition on a number line

This picture shows 387 plus what?

• 543

• 143

• 13

• 156

What is the answer in this addition problem?

• 543

• 143

• 387

• 156

What addition sentence is shown on this number line?

• 39+40+70=72

• 39+72=33

• 39+33=72

• 1+30+2=39

Both of these number lines show the same addition sentence. What is the addition sentence shown?

• 72+23=42

• 20+3+2=25

• 47+72=25

• 47+25=72

What addition sentence is shown on the number line?

• 300+197=497

• 197+327=524

• 300+24+3=327

• 524+327=197

What addition sentence is shown in the picture?

• 234+369=604

• 100+10+10+10+5=135

• 234+334+344+354+364=369

• 234+135=369

What number was added to 637 to equal 879?

• 737

• 879

• 242

• 241

If you had to add 9 to 238 what would you want to break your 15 up into to make it easy to add?

• 4+5

• 2+7

• 3+6

• 1+8

If you had to add 8 to 543 what would you want to break your 15 up into to make it easy to add?

• 4+4

• 2+6

• 3+5

• 1+7

What would be the best way to break up 86 to add to 245 to make the easiest mental math?

• 80+6

• 6+40+40

• 5+1+50+30

• 5+1+60+20