Ms. Cruz reviews TEKS 3.5a with her third-grade class, focusing on solving one-step and two-step problems involving addition and subtraction of whole numbers up to 1000. The lesson includes a review of keywords for addition and subtraction, and students learn to use pictorial models, number lines, and equations to solve problems. The video covers four example questions, each demonstrating different problem-solving strategies.

What keyword indicates an addition operation?

• Then

• Fewer

• Decrease

• Total

Tags

CCSS.1.OA.D.8

Which keyword does not indicate a subtraction operation?

• Take away

• Minus

• Combine

• Decrease

Tags

CCSS.1.OA.A.1

Which model is used to represent the distribution of restaurants?

• Line plot

• Strip diagram

• Pie chart

• Bar graph

What does the strip diagram primarily help to identify?

• Difference

• Percentage

• Unknown values

• Total values

Tags

CCSS.5.NBT.B.7

What operation is used to find out how much more money Timothy needs?

• Division

• Multiplication

• Subtraction

• Addition

Tags

CCSS.3.OA.D.8

What must be subtracted from 75 to find out how much more money is needed?

• 23

• 52

• 75

• 25

Tags

CCSS.2.OA.A.1

Which number line correctly shows the subtraction of people leaving the library?

• Line increasing

• Line decreasing

• Line constant

• Line zigzag

Tags

CCSS.7.NS.A.1B

How does a number line represent subtraction?

• Moving right

• Moving left

• Moving up

• Staying in place

Tags

CCSS.5.NBT.B.7

What is the correct equation to find the final number of crayons?

• 736 + 150 - 197

• 736 - 197 + 150

• 736 - 150 + 197

• 736 + 197 - 150

Tags

CCSS.3.OA.D.8

What is the total number of crayons after transactions?

• 689

• 736

• 673

• 889

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2