Addition
Subtraction
Place Value
Patterns
Finding the Half
100

6+7

What is 13? 

100

17-9

What is 8? 

100

The digit in the hundreds place of 561

What is 5? 

100

0, 5, 10, 15, 20, 25, __

What is 30? 
100

Half of 18

What is 9? 

200

21+13

What is 34? 

200

67-31

What is 36? 

200

The digit in the tens place of 403

What is 0? 

200

0, 10, 8, 18, 16, 26, __

What is 24? 
200

Half of 7

What is 3 1/2? 

300

54+38

What is 92? 

300

73-45

What is 28? 

300

264 rounded to the nearest hundred

What is 300? 

300

0, 10, 5, 15, 10, 20, __

What is 15? 
300

Half of 61

What is 30 1/2? 

400

587+76

What is 663? 
400

872-53

What is 819? 

400

165 rounded to the nearest ten

What is 170? 

400

xoxo, oxooxo, ooxoooxo, __________

What is oooxooooxo? 

400

Half of 103

What is 51 1/2? 

500

258+741

What is 999? 

500

6,000-1,439

What is 4,561? 

500

7,421 rounded to the nearest thousand

What is 7,000? 
500

0, 1, 3, 6, 10, __

What is 15? 
500

Half of 353

What is 176 1/2? 

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