What's the fact family?
125 + 200 = ?
125 + 200 = 325
200 + 125 = 325
325 - 200 = 125
325 - 125 = 200
Use mental math.
234 – 8 = ?
226
Justin took a survey.
He asked 10 classmates to choose their favorite sport.
5 classmates chose soccer.
How many tally marks does Justin have to make for soccer?
5
The teacher asked her class where they went over the summer.
6 students went to the beach.
9 students went to the pool.
8 students went to camp.
How many more students went to the pool than to the beach?
3 students
What is the next number in the pattern?
235, 245, 255, __________
265
Use mental math.
76 + 9 = ?
85
Use mental math.
672 – 9 = ?
663
Gail asked her classmates to choose their favorite class.
6 students chose music.
5 students chose math.
3 students chose reading.
How many students chose music than reading?
3 students
Scott asked his friends about their pets.
3 friends have fish.
5 friends have dogs.
4 more friends have cats than dogs as pets.
How many students have cats?
9 friends
A restaurant owner bought 65 bags of potatoes last week.
Then he bought 20 more bags of potatoes this week than he did last week.
How many bags of potatoes did he buy this week?
85 bags
Use mental math
541 + 20 = ?
561
What's the missing digit?
8 1
- __ 9
_________
5 2
2
Robin made a picture graph about ice cream flavors.
Key: Each 'cone' stands for 1 vote.
Chocolate ice cream: 6 cones
Vanilla ice cream: 4 cones
How many students voted in all?
10 students
Joe read 20 books.
Ashley read 12 books.
Brian read 10 books.
How many more books did Joe and Ashley read than Brian?
22 books
Sara has 25 hats.
18 are baseball hats.
How many are not baseball hats?
7
Use mental math.
53 + 18 = ?
71
What's the missing digit?
6 4 5
- 2 __ 8
_________
4 2 7
1
Beth made a picture graph about colors.
Key: Each 'crayon' stands for 1 vote.
Green: 12 crayons
Yellow: 5 crayons
How many more students chose green than yellow?
7
The second graders chose their favorite snack.
50 students chose cookies.
30 students chose yogurt.
25 students chose fruit.
How many students did not choose cookies?
55 students
Lori used a broken ruler to measure her pencil.
It went from the 3 inch mark to the 10 inch mark.
How many inches is Lori's pencil?
7 inches
Use mental math.
821 + 120 = ?
941
Use mental math.
329 – 70 = ?
259
Jackie made a picture graph about fruit.
7 people chose apples.
6 people chose bananas.
2 more people chose watermelon than apples and bananas.
How many people chose watermelon?
15 people
Ms. Feinstein tutored for a total of 12 hours in 3 weeks.
She tutored for 2 hours in Week 1.
She tutored for 5 hours in Week 2.
How many hours did she tutor in Week 3?
5 hours
Multiply:
3 x 6
18