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Two-Digit Addition Worksheet

Two-digit addition with mixed regrouping, stacked with workspace — the grade-2 place-value workhorse.

1.66+652.89+523.23+394.54+485.90+176.21+887.84+858.58+509.13+1510.33+6111.26+7912.48+8313.72+6014.63+4715.30+9016.61+9017.83+4518.26+5019.74+2720.46+9921.71+9722.32+1223.51+2924.36+24
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1.66+651312.89+521413.23+39624.54+481025.90+171076.21+881097.84+851698.58+501089.13+152810.33+619411.26+7910512.48+8313113.72+6013214.63+4711015.30+9012016.61+9015117.83+4512818.26+507619.74+2710120.46+9914521.71+9716822.32+124423.51+298024.36+2460
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Teaching notes

Require the regrouped '1' to be written above the tens column, not held in memory — the written trace is what you can diagnose at a glance. Two dozen problems is a full lesson's worth.

Common Core: 2.NBT.B.5

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