Adding Two Digit Wholenumbers

What equation does this model show?

• 33 + 26

• 32 + 63

• 23 + 36

• 63 + 23

Can you make a new 10? What is the sum of the model?

• Yes, 45 + 27 = 72

• No, 45 + 27 = 62

• Yes, 45 + 27 = 62

• No, 45 + 27 = 72

What number does this model show?

• 48

• 59

• 60

• 68

How would you write this model in expanded form?

• 10 + 5 = 15

• 30 + 3 = 33

• 25 + 4 = 29

• 20 + 5 = 25

When adding 34 + 29 can you regroup ten ones into a ten?

• Yes, 3 + 2 = 5

• Yes, 4 + 9 = 13

• No, 3 + 2 = 5

• No, 4 + 9 = 13

10 crayons fit in a box. I have 4 boxes. I also have 3 extra crayons. How many crayons do I have?

Which model shows 3 tens and 8 ones?

• 
• 
• 
• 

How many tens are in the number 39?

• 81

• 89

• 99

• 91

Q1. What is the result of 76 + 10?

• 1) 76

• A) 67

• 2) 54

• 3) 86