Math practice · Week 21 · Monday
I can add lengths with a bar model and an equation.
Look: 26 inches + 17 inches
- Draw one long bar. Split it into a 26 part and a 17 part.
- Write the equation: 26 + 17 = ?
- Add: 26 + 17 = 43. The whole bar is 43 inches.
Draw a bar model. Write an equation. Write the answer with the unit.
- Ava has a ribbon that is 28 inches long and another that is 34 inches long. How many inches of ribbon does she have?Answer: 28 + 34 = 62; 62 inches
- Kofi's toy train is 46 cm long. He adds a car that is 29 cm long. How long is the train now?Answer: 46 + 29 = 75; 75 cm
- Lin runs 39 meters to the gate. Then she runs 25 more meters to the swings. How far did she run?Answer: 39 + 25 = 64; 64 meters
- A green snake is 18 inches long. A brown snake is 45 inches long. How long are they end to end?Answer: 18 + 45 = 63; 63 inches
Challenge
- What word tells the unit in each answer? Circle it in each problem.Answer: inches, cm, meters, inches
Second Grade · Week 21 · Monday · secondgrade.com