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This Addition No Regrouping drill has 40 problems for Grade 2. Stars theme. Answer key included.
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Max spotted 47 stars falling from the sky! He must add quickly to catch them all before they disappear forever.
Standard: CCSS.MATH.2.NBT.B.5
Addition without regrouping is a critical foundation skill that builds your second grader's confidence with multi-digit numbers. At ages 7-8, children are developing the ability to think about place value—understanding that the 2 in 24 means something different from the 4. When students add numbers like 23 + 14 without regrouping (where no column adds up to 10 or more), they practice keeping ones and tens separate, which prevents confusion later when regrouping becomes necessary. This skill mirrors real-world tasks your child encounters daily: combining scores in a game, calculating allowance, or adding up stickers collected. Mastery here builds mental math flexibility and prepares students for two-digit addition with regrouping, the next essential milestone in their mathematical journey.
Many second graders line up digits incorrectly, placing 23 + 5 as 235 instead of aligning the 5 under the 3 (ones place). Others add ones correctly but forget to add tens, leaving out that column entirely—so 23 + 14 becomes just 7 instead of 37. Watch for students who skip the tens column or write only the ones sum when two digits appear. You'll spot this pattern when a child can add single digits but suddenly loses track with two-digit numbers.
Play a real-world addition game during dinner or snack time: ask your child to add scores from a simple board game or sports activity using two-digit numbers that won't require regrouping. For example, 'You scored 12 points and earned 13 bonus points—how many total?' Have them use two separate piles of objects (or draw pictures) to show ones and tens staying apart, then combine them. This makes the place-value concept tangible and shows that addition-no-regrouping is a tool they already use, even if they don't realize it.