Comparing Quantities and Differences

This video tutorial covers a second-grade math lesson focused on addition and subtraction. It includes various problem-solving exercises involving crayons, blocks, magnets, and more. The lesson emphasizes different strategies for solving math problems, such as breaking apart numbers and regrouping. Students are encouraged to use their preferred methods and are guided through higher-order thinking challenges to enhance their skills. The video concludes with an assessment to test students' understanding of the concepts taught.

What is the main focus of this math lesson?

• Geometry and shapes

• Addition and subtraction

• Multiplication and division

• Fractions and decimals

Aiden has 27 fewer crayons this week than last. If he had 56 crayons last week, how many does he have now?

• 29 crayons

• 30 crayons

• 31 crayons

• 32 crayons

Which strategy can be used to solve 56 minus 27?

• Multiply and divide

• Add and multiply

• Divide and subtract

• Stack and subtract

Sally has 28 fewer blocks than Nigel. If Sally has 26 blocks, how many does Nigel have?

• 54 blocks

• 52 blocks

• 50 blocks

• 48 blocks

How are the statements 'Cal has 12 fewer blocks than Mia' and 'Mia has 12 more blocks than Cal' alike?

• Both state Mia has fewer blocks

• Both state Mia has more blocks

• Both state Cal has more blocks

• Both state Cal has fewer blocks

Lakota has 11 fewer magnets than Jeffrey. If Lakota has 25 magnets, how many does Jeffrey have?

• 36 magnets

• 30 magnets

• 34 magnets

• 32 magnets

There are 28 more students than adults at the science fair. If there are 98 students, how many adults are there?

• 66 adults

• 64 adults

• 68 adults

• 70 adults

Ellie the elephant eats 49 peanuts and has 31 left. How many did she start with?

• 78 peanuts

• 74 peanuts

• 80 peanuts

• 76 peanuts

The blue team scores 16 fewer points than the green team. If the blue team scores 41 points, how many does the green team score?

• 57 points

• 55 points

• 53 points

• 51 points

Sean studies 16 fewer vocabulary words than Chris, who studies 10 fewer than Tia. If Tia studies 34 words, how many does Sean study?

• 14 words

• 10 words

• 12 words

• 8 words