Math practice · Week 33 · Wednesday
I can add three or four two-digit numbers.
Look: 26 + 14 + 35
- Look for ones that make ten: 6 + 4 = 10.
- Add the tens: 20 + 10 + 30 = 60.
- Put it together: 60 + 10 + 5 = 75.
Add. Look for pairs that make ten first.
- 17 + 23 + 34 = ____Answer: 74
- 45 + 16 + 25 = ____Answer: 86
- 31 + 19 + 22 + 18 = ____Answer: 90
- 27 + 14 + 33 + 15 = ____Answer: 89
Snack stand: lemonade 36 cents, pretzel 24 cents, apple 19 cents, muffin 45 cents.
- How much for a lemonade, a pretzel and an apple?Answer: 79 cents (36 + 24 + 19 = 79)
- Marco buys a muffin, a pretzel and an apple. How much does he spend?Answer: 88 cents (45 + 24 + 19 = 88)
Challenge
- Can you buy a lemonade, a pretzel and an apple with 3 quarters? Tell why.Answer: No. 3 quarters is 75 cents, and the snacks cost 79 cents. You need 4 more cents.
Second Grade · Week 33 · Wednesday · secondgrade.com