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

Fill in the Blanks

When adding 462 + 284, where do you write the new ten you made when adding the ones in the vertical form?

ones place, tens place, hundreds place

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

Fill in the Blanks

436 + 509 =