Question

look at this picture of counters. how can you figure out the total? i could move two counters to make a group of 10. 8 + 3 is the same value as 10 + 1. 10 + 1 = 11. write the numbers to match. see + think + draw more counters. then write the numbers to match. a. draw 4 more. see + think + b. draw 6 more. see + think + in this activity, 2 single - digit numbers are added using the make - 10 addition strategy

Explanation:

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Top Section

Step1: Identify visible counters

Top row has 5, bottom row has 3: $5+3=8$, plus 3 loose: $8+3$

Step2: Apply make-10 strategy

Move 2 loose to bottom row: $10 + 1$

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Part a

Step1: Count initial counters

Top row 5, bottom row 4: $5+4=9$, add 4 more: $9+4$

Step2: Apply make-10 strategy

Move 1 of 4 to bottom row: $10 + 3$

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Part b

Step1: Count initial counters

Top row 5, bottom row 3: $5+3=8$, add 6 more: $8+6$

Step2: Apply make-10 strategy

Move 2 of 6 to bottom row: $10 + 4$

Answer:

Top Section (Original Counters):

see: $8 + 3$
think: $10 + 1$

Part a:

see: $9 + 4$
think: $10 + 3$

Part b:

see: $8 + 6$
think: $10 + 4$