به انگلیسی

Finding the Missing Number

ریاضی · جمع و تفریق · سن ۶ تا ۷ سال

نام ______________________ تاریخ ____________

8 + ? = 11. What number is missing?
پاسخ: ______________
5 = ? - 3. What should go in the box?
- 8
- 7
- 9
- 6
6 + 6 = ?. What should go in the box?
پاسخ: ______________
6 + 6 = □. What number goes in the box?
پاسخ: ______________
? = 4 + 4 means the box holds 8. Is that right?
دور یکی دایره کشیدن: درست نادرست
13 - ? = 6. What should go in the box?
- 9
- 7
- 6
- 8
7 = ? - 4. What should go in the box?
پاسخ: ______________
7 + 7 = □. Which number is the box?
- 13
- 14
- 15
Ana solves 8 + ? = 11 by writing ? = 11 + 8 = 19. What mistake did she make?
- She added instead of subtracting
- She forgot to write the answer
- She used the wrong equals sign
3 = 11 - ? means ? = 14. Is that right?
دور یکی دایره کشیدن: درست نادرست

پاسخ‌نامه

برای بزرگ‌ترها. تا کردن این صفحه پیش از تحویل بقیه.

3 · Start at 8 and hop to 11. That is 3 hops, so ? = 3.
8 · 5 + 3 = 8.
12 · Double 6 is 12.
12 · Add 6 and 6 together. 6 + 6 = 12.
درست · Right: 4 + 4 = 8.
7 · 6 + 7 = 13, so ? = 7.
11 · 7 + 4 = 11.
14 · 7 + 7 = 14. Count carefully so you do not land on 13 or 15.
She added instead of subtracting · To undo an addition, subtract. Ana should have found 11 − 8 = 3.
نادرست · Wrong: 11 - 8 = 3, so ? = 8.