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This Addition drill has 40 problems for Grade 1. Diwali theme. Answer key included.
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Max must relight all the diwali lamps before the festival celebration begins tonight!
Standard: CCSS.MATH.1.OA.C.6
Addition is one of the foundational skills that helps your child make sense of the world around them. At six and seven years old, children are naturally curious about combining things—whether it's counting toys, snacks, or decorative lights during celebrations like Diwali. When students practice addition regularly, they build number sense, which means they develop an intuitive understanding of how numbers work together. This skill strengthens their ability to solve problems independently and builds confidence in math. By drilling addition facts with sums up to 10 or 20, your child creates mental pathways that make future math learning—like subtraction, multiplication, and word problems—feel manageable and less intimidating. Regular practice also trains their working memory, helping them hold numbers in mind while performing operations.
Many Grade 1 students recount from one instead of counting on from the larger number. For example, when solving 7 + 3, they restart at one rather than starting at seven and counting 'eight, nine, ten.' Watch for students who lose track of their count by using fingers inconsistently or who write the numbers correctly but arrive at the wrong sum. Another common pattern is confusion about the plus sign or equals sign—they may not yet understand that the equals sign means 'the same as' rather than just a signal to give an answer.
Play a simple counting-on game during everyday moments: when setting the table, say 'We have 5 plates already. You're adding 2 more plates. Start at 5 and count up—what number do we land on?' This mirrors what they see on the worksheet but feels like play. Use small objects like blocks, crackers, or coins so they can physically move items while saying numbers aloud, which helps cement the mental math strategy they're building.