2nd Grade Word Problems & Number Lines within 100
Solve one- and two-step addition and subtraction word problems within 100 using part-part-whole models and number-line jump diagrams. Aligned with Common Core CCSS 2.OA.A.1, 2.MD.B.6.
Worksheet version 1 of 12. The answer key matches the current version.
1. There are 24 red apples and 18 green apples in a basket. How many apples are in the basket in all?
Equation: ____ + ____ = ____ apples
2. A library shelf had 65 books. Students checked out 27 books. How many books are left on the shelf?
Equation: ____ − ____ = ____ books
3. Sofia collected 32 seashells on Monday and 15 on Tuesday. She gave 12 shells to her brother. How many shells does Sofia have now?
Sofia has: ________ shells
4. Use the number line jump starting at 35 and jumping forward +20. Where do you land?
35 + 20 = ________
5. A bus had 50 passengers. At the first stop, 14 got off and 11 new passengers got on. How many passengers are on the bus now?
Passengers now: ________
6. Start at 75 on the number line and jump back −30. What number do you land on?
75 − 30 = ________
About Word Problems & Number Lines within 100 (CCSS 2.OA.A.1, 2.MD.B.6)
- Read carefully to identify the starting amount, the change (added or taken away), and whether a second step is needed.
- On a number line, jumping right (+) adds to the number and jumping left (−) subtracts from the number.
- Write an equation with a question mark for the unknown, then solve step by step.
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