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This Addition No Regrouping drill has 40 problems for Grade 2. Rabbits theme. Answer key included.
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Max discovered 23 baby rabbits hiding in the warren—he must count all the bunnies before the storm arrives!
Standard: CCSS.MATH.2.NBT.B.5
Addition without regrouping is a foundational skill that helps seven- and eight-year-olds build confidence with multi-digit numbers before tackling the more complex carry-over problems they'll encounter later. At this age, children are developing their place value understanding and learning that tens and ones are separate but connected. When students practice problems like 23 + 14 or 31 + 25, they're reinforcing the idea that you add ones to ones and tens to tens independently—a critical mental math habit. This skill appears constantly in real life: when you and a child count toys together, combine allowance money, or track points in a game. Mastering addition without regrouping means your child can solve these problems quickly and accurately, which frees up mental energy for more advanced concepts. Without this solid foundation, regrouping (carrying) becomes confusing and frustrating.
The most common error is students adding the digits without considering place value—for example, writing 23 + 14 = 37 instead of 37 by accidentally treating it as single digits. Another frequent mistake happens when children forget to align numbers by place value on paper, causing them to add 3 + 1 and 2 + 4 in the wrong columns. Watch for students who write answers in the wrong position or who add across columns carelessly. You can spot this by asking them to explain where the ones and tens are in their answer.
At home or in the classroom, use a tens-and-ones sorting activity with everyday objects like crackers, buttons, or small toys. Give your child a two-digit number (like 24) and have them create that amount using two piles—a tens pile and a ones pile. Then say another number (like 13) and have them add those piles together, physically combining tens with tens and ones with ones. This concrete, hands-on experience makes the abstract idea of place value real and memorable for a seven-year-old.