8,732
edits
Changes
→SKILL LEVELS
| 39-40 || [[File:24 + 36 + 5.png|25px]] || Adding numbers with sums from 20 through 00. One- or tow-digit addends. Regrouping.
|-
| 41 || [[File:251 + 27.png|30px40px]] || Adding two numbers with sums from 200 through 999. Two- and three-digit addends. No regrouping.
|-
| 42-45 || [[File:348 + 239.png|30px40px]] || Adding numbers with sums to 999. Two- and three-digit addends. Regroup ones to tens.
|-
| 46-47 || [[File:471 + 283.png|30px40px]] || Adding numbers with sums to 999. Two- and three-digit addends. Regroup tens to hundreds.
|}