Math strategy chat and archive of Problem Talks

Math strategies

Click any image below to read other teachers' reactions on Twitter.

Want to learn more about Problem Talks? Check out this article from my blog:

What is the difference between a Problem Talk and a Problem String?

Addition

Kids MathStratChat: 73 + 29

MathStratChat: 29,193 + 93,919

MathStratChat: 4908 + 9293

MathStratChat: 392 + 919

MathStratChat: 49 + 92

MathStratChat: 7/9 + 9 1/3

MathStratChat: 1/5 + 7/12

MathStratChat: 99 1/2 + 16 21/22

MathStratChat: 490 + 280

MathStratChat: 484 + 79

MathStratChat: 389 + 268

MathStratChat: 4,988 + 955

MathStratChat: 144 + 96

MathStratChat: 126 + 99

MathStratChat: 1942.9 + 399.3

MathStratChat: 1494 + 918

MathStratChat: 7.8 + 45.9

MathStratChat: 76 + 28

MathStratChat: 243 + 927

MathStratChat: 3.85 + 5.96

MathStratChat: 2,499 + 3,988

MathStratChat: 9 9/10 + 3 2/5

MathStratChat: 493 + 289

MathStratChat: 5/12 + 2/15

Subtraction

MathStratChat: 221 - 185

MathStratChat: 8192 - 4096

MathStratChat: 65,536 - 32,768

MathStratChat: 1271 - 672

MathStratChat: 162 - 87

MathStratChat: 1,111.11 - 999.99

MathStratChat: 81 - 54

MathStratChat: 56.4 - 29.97

MathStratChat: 9 1/2 - 3 11/12

MathStratChat: 4672 - 994.5

MathStratChat: 110 - 88

MathStratChat: 1/4 - 1/5

MathStratChat: 84.4 - 42.9

MathStratChat: 256 - 129

MathStratChat: 10.8 - 4.9

MathStratChat: 7.11 - 0.22

MathStratChat: 1000.5 - 21.25

MathStratChat: 402.1 - 397.88

MathStratChat: 39.01 - 9.95

MathStratChat: 1 7/20 - 11/12

MathStratChat: 2019 - 1776

MathStratChat: 5009 - 3997

MathStratChat: 5.43 - 4.99

Most Missed Facts

MathStratChat- Most Missed Facts: 9 x 6

MathStratChat - Most Missed Facts: 6 x 7

MathStratChat: Most Missed Facts: 7 x 8

MathStratChat - Most Missed Facts: 9 x 7

MathStratChat - Most Missed Facts: 7 + 8

MathStratChat - Most Missed Facts: 6 + 9

MathStratChat - Most Missed Facts: 8 + 5

Multiplication

MathStratChat: 7/10 x 30/35

MathStratChat: 9/10 x 40/45

MathStratChat: 3/10 x 20/21

Kids MathStratChat: 33 x 55

MathStratChat: 27 x 2 1/3

MathStratChat: 3 1/3 x 24

MathStratChat 54 x 4 1/6

MathStratChat: 4 1/5 x 45

MathStratChat: 125 x 28

MathStratChat: 250 x 25

MathStratChat: 36 x 1.75

MathStratChat: 18 x 4.5

MathStratChat: 35 x 16

MathStratChat: 3/4 x 2/5

MathStratChat: 46 x 53

MathStratChat: 52 x 48

MathStratChat: 37 x 63

MathStratChat: 28 x 32

MathStratChat: 24 x 16

MathStratChat: 49 x 16

MathStratChat: 36 x 15

MathStratChat: 150 x 14

MathStratChat: 52 x 45

MathStratChat: 5/3 x 15/8

MathStratChat: 6/5 x 2/3

MathStratChat: 3/4 x 8/5

MathStratChat: 28 x 2.25

MathStratChat: 52 x 98

MathStratChat: 24 x 75

MathStratChat: 4.5 x 3.6

MathStratChat: 48 x 35

MathStratChat: 2.75 x 36

MathStratChat: 89 x 76

MathStratChat: 75 x 52

MathStratChat: 165 x 44

MathStratChat: 250 x 15

MathStratChat: 2/5 x 3/4

MathStratChat: 42 x 55

MathStratChat: 160 x 3.5

MathStratChat: 21.6 x 0.9

MathStratChat: Earth Day Word Problem

MathStratChat: 4.9 x 7.7

MathStratChat: 2.7 x 8.1

MathStratChat: 76 x 18

MathStratChat: 4/5 x 10/3

MathStratChat: 36 x 76

MathStratChat: 3.2 x 4.8

MathStratChat: 8/11 x 3/4

MathStratChat: 5/6 x 3/10

MathStratChat: 5/12 x 3/5

MathStratChat: Multiplication Word Problem

MathStratChat: Multiplication Word Problem

MathStratChat: 8.1 x 24.3

MathStratChat: 26 x 89

MathStratChat: 18 x 51

MathStratChat: 9/10 x 2/3

MathStratChat: 24 x 33

MathStratChat: 95 x 44

MathStratChat: 5/12 x 3/5

MathStratChat: 49 x 22

MathStratChat: 3/4 x 2/5

MathStratChat: 25 x 18

MathStratChat: 85 x 47

MathStratChat: 89 x 42

MathStratChat: 76 x 36

Division

MathStratChat: 4/8 div 1/10

MathStratChat: 2 1/2 div 1/6

MathStratChat: 1 1/6 div 2/3

MathStratChat: 405.6 div 5.2

Placeholder Image

MathStratChat: 11/2 = 115.5/x

MathStratChat: 39.6 ÷ 18

MathStratChat: 1750 ÷ 8.75

MathStratChat: 1250 ÷ 25

MathStratChat: 1260 ÷ 24

MathStratChat: Division Word Problem

MathStratChat: 3150 ÷ 21

MathStratChat: 67.5 ÷ 45

MathStratChat: 270 ÷ 18

MathStratChat: 780 ÷ 15

MathStratChat: 171.6 ÷ 78

MathStratChat: 100.8 ÷ 24

MathStratChat: 210 ÷ 14

MathStratChat: 1808 ÷ 24

MathStratChat: 6.4 ÷ 9.6

MathStratChat: 21.6 ÷ 0.9

MathStratChat: 3 2/3 ÷ 1/12

MathStratChat: 16.2 ÷ 5.4

MathStratChat: 4 1/10 ÷ 1/5

MathStratChat: 504 ÷ 24

MathStratChat: 1617 ÷ 33

MathStratChat: 129.6 ÷ 10.8

MathStratChat: 1275 ÷ 85

MathStratChat: 8.1 ÷ 24.3

MathStratChat: 43.2 ÷ 2.4

MathStratChat: 867 ÷ 17

MathStratChat: 2/5 ÷ 3/4

MathStratChat: 28 ÷ 3.5

MathStratChat: 3/5 ÷ 3/10

MathStratChat: 5.7 ÷ 5

MathStratChat: 2.1 ÷ 1.25

MathStratChat: 123.5 ÷ 2.5

MathStratChat: 8/6 ÷ 1/3

Proportions & Percentages

MathStratChat: 3.5/x = 10.5/63

MathStratChat: 2.25/x = 9/3

MathStratChat: 8/3 = x/28.5

MathStratChat: 9/4.5 = 22.5/x

MathStratChat: 16% of 76

MathStratChat: 7/1.75 = 21/x

MathStratChat: 3/9 = x/49.5

MathStratChat: 88% of 25

MathStratChat: 22% of 55

MathStratChat: 5/27.5 = 8/x

MathStratChat: 7:4 = x:35.6

MathStratChat: 88% of 66

MathStratChat: Percentage Word Problem

MathStratChat: Percentage Word Problem

MathStratChat: 4/5 = 21.2/x

MathStratChat: 12.5% of 90

MathStratChat: 88% of 24

MathStratChat: 6/46.2 = 4/x

MathStratChat: 6:5 = 39:x

MathStratChat: 5/8 = 32.5/x

MathStratChat: Percentage Word Problem

MathStratChat: Ratio Word Problem

MathStratChat: 1.8:6.6 = 2.4:x

MathStratChat: 82% of 45

MathStratChat: 1500/25 = x/82

MathStratChat: 1.2/2.5 = 23.52/x

MathStratChat: 8/3 = 41.6/x