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Estimating Products
Basic Facts
Multi-step Word Problems
Area Model Multiplication
100
9 X 10
What is 90?
100
Estimate? 32 X 8
What is 240?
100

8x9

72

100

At Raymond's Peach Farm, farmers picked 7 peaches each day for a week. The next week they picked 5 peaches a day for a week. How many peaches were picked all together?

What is 84 peaches

7 x 7 = 49

5 x 7 = 35

49 + 35 = 84

100

56 x 9

504

200

7 X 400

What is 2800?

200
Estimate: 42 X 53
What is 2,000?
200

10 x 11

110

200

Julie brought 4 cupcake boxes to the party. Each box has 5 cupcakes in it. Jane brought 8 cupcake boxes with 7 cupcakes in it. Do they have enough to serve 100 guests? If not, how many more do they need? 

No. 24 more cupcakes

4 x 5 = 20

8x7 = 56

20+56 = 76

100-76 = 24

200

98 x 8

784

300
6 X 700
What is 4,200?
300
Estimate: 166 X 66
What is 14,000?
300

6 x 8

48

300

Stella's flower garden has three rows of flowers with ten flowers in each row. But then, some deer ate three flowers! The next day she planted 4 more rows with 6 flowers in them. How many flowers does Stella have in her garden? 

51 flowers

3x10 = 30 -3 = 27

4 x 6 = 24

27+24 = 51


300

145 X 6

870

400

60 X 50

3000

400

Estimate: 523 X 498

What is 250,000

400

12 x 9

108

400

Bob eats three meals a day for the month of January.  There are 31 days in January. In February he eats 3 meals a day. Normally there are 28 days in February however this year is a leap year so there are 29 days. How many more meals did he eat in January, than in February? 

What is 6 more meals

31 x 3 = 93

29 x 3 = 87

93 - 87 = 6 more meals 

400

1058 x 3

3174

500
3 X 2,500
What is 7,500?
500

Estimate: 2,019 X 23

What is 40,000?

500

11 x 12

132

500

There are 15 stickers in a sticker pack. Ms. Fremuth has 5 sticker packs. Does she have enough stickers to give 2 stickers to each of her 23 students?

If not how many more stickers does she need? 

If she does have enough stickers, can she give each student 1 more sticker? 

Yes she has enough to give 2 stickers

Yes she has enough to give 1 more

15x5 = 75 stickers

23 x 2 = 46 stickers given away

75-46  = 29 left over. She has 23 students so they can each get 1 more. 

500

8723 x 5

43615