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In the number 23,

the 3 is in the ________ place

• ones

• tens

• hundreds

• thousands

How many tally marks are there?

• 6

• 7

• 8

• 9

4 tens + 2 tens = ?

40 + 20 = ?

• 9 tens; 90

• 8 tens; 80

• 7 tens; 70

• 6 tens; 60

Which two pattern blocks are NOT in this shape?

• 
• 
• 
• 

12 + 3 = ?

• 13

• 14

• 15

• 16

9 - 1 = ?

• 5

• 6

• 7

• 8

What is the related subtraction fact?

6 + 6 = 12

• 13 - 5 = 8

• 12 - 6 = 6

• 17 - 4 = 13

• 8 - 6 = 2

What is the related subtraction fact?

9 + 9 = 18

• 18 - 9 = 9

• 5 - 4 = 1

• 13 - 2 = 11

• 9 - 2 = 7

How many tally marks are there?

• 3

• 4

• 5

• 6

2 + 6 + 3 =

• 8

• 9

• 10

• 11