Show:
Addition
Subtraction
Equality
Story Problems
Estimation
100

13+12= 

25
100

28-16=

12

100

Is this equation true or not true? 

35+5=30+10

True

40=40

100
Mrs. Kruse bought 34 bibs for her baby. Then, Mrs. Dannholz gave her 6 more. How many bibs does Mrs. Kruse have now? 

40 bibs 

100

Estimate: 12+21=? 

About 30

200

34+26=

60

200

68-36=

32

200

Is this equation true or not true? 

48-6=50-10

Not true 

42 is not equal to 40 

200

Ms. Levin had 45 chocolates. She gave Ms. Johnson 25 of her chocolates. How many chocolates does Ms. Levin have left? 

20 chocolates

200

Estimate: 39+29=?

About 70 

300

17+18=

35
300

42-28=

14

300

Is this equation true or not true? 

67-32=77-42

True

35=35

300

Ms. Leyhe had 34 gummy worms. Her son gave her 16 more. How many gummy worms does Ms. Leyhe have now?

50 gummy worms 

400

65+27=

92

400

54-35=

19

400

Is this equation true or not true? 

38+12=45+18

Not true 

50 is not equal to 63

400

NSES had 65 coats. They gave away some in a coat drive. Now they have 32 coats left. How many coats did they give away? 

33 coats 

500

47+37=

84

500

84-47=

37

500

Is this equation true or not true? 

38+12=82-32

True

50=50

500

Mrs. Adcock had some jelly beans. Mr. Menotti gave her 36 more. Now, Mrs. Adcock has 63 jelly beans. How many jelly beans did Mrs. Adcock have to start with? 

27 jellybeans