Math practice · Week 22 · Tuesday
I can add by hopping forward on a number line.
Look: 16 + 7
- Start at 16.
- Hop 4 to land on 20. Then hop 3 to land on 23.
- 4 + 3 = 7 hops in all. 16 + 7 = 23.
Draw a number line. Hop forward and label each hop. Write the sum.
- 8 + 7 = ____Answer: 15
- 17 + 6 = ____Answer: 23
- 26 + 10 = ____Answer: 36
- 34 + 23 = ____Answer: 57
- 45 + 27 = ____Answer: 72
- 59 + 30 = ____Answer: 89
Challenge
- What hops did you choose for 45 + 27? Why?Answer: Answers vary. Look for: hops that add to 27, such as 10, 10, 5, 2 or 20, 7.
Second Grade · Week 22 · Tuesday · secondgrade.com