UNIT 04 // SESSION A // MASTER WHEN READY
Carrying with sticks
Name:Date:
Build every one with sticks first. Only write after you have made the trade with your hands.
1Worked example: 38 + 25
Ones: 8 + 5 = 13 → that is more than ten, so we trade.
I traded 10 ones for 1 ten. Now I have 1 extra ten and 3 loose ones.
Tens: 3 + 2 + 1 = 6 → Answer: 63
2Your turn. Build it, trade it, then fill in.
47 + 18 Ones: 7 + 8 = Trade? YES / NO Tens: Answer
26 + 35 Ones: 6 + 5 = Trade? YES / NO Tens: Answer
54 + 29 Ones: 4 + 9 = Trade? YES / NO Tens: Answer
43 + 12 Ones: 3 + 2 = Trade? YES / NO Tens: Answer
66 + 27 Ones: 6 + 7 = Trade? YES / NO Tens: Answer
31 + 45 Ones: 1 + 5 = Trade? YES / NO Tens: Answer
3Finish the sentence.
When the ones make more than ten, I trade ones for ten.
The little 1 I write above the tens column really means .
4Draw 38 + 25 with sticks. Circle the bundle you made.
The testQuestion 3, second line. If she writes "one," stop and go back to the sticks. She should write "one ten."
2. 15 yes 6 = 65; 11 yes 6 = 61; 13 yes 8 = 83; 5 no 5 = 55; 13 yes 9 = 93; 6 no 7 = 76 3. 10 ones for 1 ten; the little 1 means one ten