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Let's solve this problem using basic addition:
35 +22 ----
Combine the results to get the final sum:
35 +22 ---- 57
Therefore, the solution to the problem is , which corresponds to choice 2.
If we have 67 blocks in total, how many blocks will remain if we remove 5 tens and 4 ones?
Place value alignment is crucial! When you stack 35 and 22, the 5 and 2 (ones) must be in the same column, and the 3 and 2 (tens) must align. This ensures you're adding like values together.
You can add tens first if you want! , then , giving . Both methods work perfectly!
Try counting up from the larger number! Start at 35 and count 22 more: 36, 37, 38... up to 57. You can also use subtraction: ✓
Great question! When ones digits sum to 10 or more, you carry over to the tens column. For example, 37 + 25: , so write 2 and carry the 1.
Yes! You can use mental math strategies like breaking apart numbers: . This method works great once you're comfortable with place values!
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