1. Math with Miss Unangst

2. Let’s Sum It Up
Over or Under?
What’s the Difference?
Follow the Rules
Grab Bag
100
100
100
100
100
200
200
200
200
200
300
300
300
300
300
400
400
400
400
400
500
500
500
500
500

3. Round to the nearest hundred to estimate each sum.
Let’s Sum It Up– 100
Round to the nearest hundred to estimate each sum.
__________
= 700

4. Round to the nearest ten to estimate each sum.
Let’s Sum It Up - 200
Round to the nearest ten to estimate each sum.
_________
= 60

5. Round to the nearest hundred to estimate each sum.
Let’s Sum It Up -300
Round to the nearest hundred to estimate each sum.
_______
= 300

6. Round to the nearest ten to estimate each sum.
Let’s Sum It Up- 400
Round to the nearest ten to estimate each sum.
_______
= 390

7. 170 + 450= 620 Estimate the sum. 167 + 449 ________
Let’s Sum It Up -500
Estimate the sum.
________
= 620

8. Over or Under? - 100
Estimate each sum by rounding. Then tell whether each
estimate is an overestimate or an underestimate.
___________
= 70 overestimate

9. Estimate each sum by rounding. Then tell whether each
estimate is an overestimate or an underestimate.
__________
= 80 underestimate
Over or Under? -200

10. Over or Under? -300
Estimate each sum by rounding. Then tell whether each
estimate is an overestimate or an underestimate.
________
=960 overestimate

11. Estimate each sum by rounding
Estimate each sum by rounding. Then tell whether each estimate is an overestimate or an underestimate.
______
160+70=230 underestimate
Over or Under? -400

12. Estimate each sum by rounding. Then tell whether each
estimate is an overestimate or an underestimate.
_____
=370 underestimate
Over or Under? -500

13. Round to the nearest hundred to estimate each difference.
What’s the Difference?– 100
Round to the nearest hundred to estimate each difference.
_______
=100

14. 680-420 = 260 Round to the nearest ten to estimate each difference.
What’s the Difference?– 200
Round to the nearest ten to estimate each difference.
________
= 260

15. 600-300= 300 Round to the nearest hundred to estimate each difference.
What’s the Difference?– 300
Round to the nearest hundred to estimate each difference.
___________
= 300

16. Round to the nearest ten to estimate each difference. 296-95 ______
= 200
What’s the Difference?– 400

17. 450-240= 210 minutes What’s the Difference?– 500
Remy’s music teacher requires 450 min of practice each
month. Remy practiced 239 min the first three weeks this
month. Estimate how many minutes he has left to practice.
= 210 minutes

18. Complete the table. Then write a rule for the table.
Follow the Rule -100
Complete the table. Then write a rule for the table.
Subtract ;0 IN 16 9 4 18 3
OUT 13 6 1

19. Complete the table. Then write a rule for the table.
Add ;4
Follow the Rule 200

20. Add 5 Jon put in 12 and got out 17. Then he put in 1 and
got out 6. What rule was he using?
Add 5
Follow the Rule 300

21. 12 Elton uses the rule Subtract 6 for
Follow the Rule 400
Elton uses the rule Subtract 6 for
his table. If he puts in 18, what will
he get out? 12

22. Complete the table. Then write a rule for the table.
Follow the Rule 500
Complete the table. Then write a rule for the table.
Add ;109 IN 16 31 27 62 99
OUT 26 41 37

23. (4 + 2) + 1= _____ 7
Grab Bag - 100

24. Complete each fact family
Grab Bag - 200
Complete each fact family
3+6= ___ ____=3
6+ ___= ____-3=6
3+6= =3 6+3=9 9-3=6

25. Find the missing number
Grab Bag - 300
Find the missing number
7 + ______ = 13
7 + 6 = 13

26. Grab Bag - 400
3 + 0 = 0 + _____ 3

27. Find the missing number.
Grab Bag - 500
Find the missing number.
8 + ____ = 12
8 + 4 = 12