Bluebonnet Mod 5, Lesson 10

Poll

Do you think it is important to use drawings when learning addition?

• Yes, drawing a picture helps me look for mistakes.

• No way! Drawings are for babies!

Draw

Solve 29 + 23 using compensation.

Draw

Solve 38 + 19 using compensation or a place value chart.

Draw

Solve 32 + 19 using compensation or a place value chart.

Draw

Solve 24+ 17 using compensation or a place value chart.

Multiple Choice

What is the sum of 24 and 17?

• 41

• 40

• 39

• 42

Draw

Solve using your favorite strategy.

34 + 19

Multiple Select

Which of the following addition problems has a sum greater than 50?

There are 3.

• 29 + 23

• 38 + 19

• 24 + 17

• 32 + 19

Multiple Choice

How many crayons do Binh and Ana have altogether?

• 1000

• 800

• 1200

• 600

Multiple Choice

What is the sum of 126 and 160 ?

• 286

• 276

• 296

• 216

Multiple Choice

Jade says the answer to 546 + 192 is 6 hundreds, 13 tens, 8 ones.

Sam says it is 7 hundreds, 3 tens, 8 ones. Who is correct and why?

• Jade is correct because 13 tens is the same as 1 hundred and 3 tens, making 7 hundreds, 3 tens, 8 ones.

• Sam is correct because you do not regroup tens into hundreds.

• Neither is correct because the sum is different.

Multiple Choice

What is the answer to 42 + 19 using the compensation strategy discussed in the lesson?

• 61

• 51

• 62

• 59