Vocabulary
Find the Sum
Skip Counting
Skip Counting
Add or Subtract
100

What does H stand for in HTO?

What is hundreds?

100

10 + 1= ___

What is 11? 

100

Count by 10s: 10-120

10,20,30,40,50,60,70,80,90,100,110,120

100

Count by 5: 25-50

25,30,35,40,45,50

100

Ann has 20 pencils.  Bob has 10 pencils.  How many more does Ann have? 

What is 10 pencils? 

200

What does T stand for in HTO?

What is tens?

200

10 + 10 = ___

What is 20?

200

Count by 5s: 5-120

5,10,15,20,25,30,35,40,45,50,55,60,65,70,75,80,85,

90,95,100,105,110,115,120

200

Count by 10s: 20-100

20,30,40,50,60,70,80,90,100

200

Ann has 25 bags. Tim has 10 bags.  How many more bags does Ann have than Tim?  

What is 15 bags? 

300

What does O stand for in HTO?

What is ones?

300

What is any number to 0?

What is that number/itself?

300

Count by 1s: 38-58

38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58

300

Count by 10s: 2-112

2,12,22,32,42,52,62,72,82,92,102,112

300

Ann has 45 hats.  She gives 10 away to her friend.  How many does she have now? 

What is 35 hats? 

400

We use this to count up to 120.

What is a number grid?

400

What is 30 + 10?

What is 40?

400

Count by 10s: 23-103

23,33,43,53,63,73,83,93,103

400

Count by 5s: 10-200

10,15,20,25,30,35,40,45,50,55,60,65,70,75,80,85,90,95,100,105,110,115,120,125,130,135,140,145,150

155,160,165,170,175,180,185,190,195,200

400

100 birds are in the nest.  10 more birds fly to the nest. How many bird are there altogether?

What is 110 birds?


500

Next unit, we will understand ____ value. 

What is place value? 

500

What is 80 + 10?

What is 90?

500

Count by 10s:9-109



9,19,29,39,49,59,69,79,89,99,109

500

Count by 10s: 19-109

19,29,39,49,59,69,79,89,99,109

500

10 + 12= 20 + 2

Is this a true equation? 

What is yes?

22=22

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