Video: Comparing Number Sentences: Numbers up to 10

In this video, we will learn how to compare addition and subtraction sentences with numbers up to 10.

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Video Transcript

Comparing Number Sentences: Numbers up to 10

In this video, we will learn how to compare addition and subtraction sentences with numbers up to 10. We can use the symbols less than, equal to, and greater than to compare two numbers.

We could compare these two amounts. Three is less than seven. We can use the less than symbol to compare these two numbers. Three is less than seven. We can also use the three symbols — less than, equal to, or greater than — to compare numbers and addition sentences. We’re being asked to compare the number five with the addition sentence three plus two. We have to choose the correct symbol to make this number sentence correct. Is five less than three plus two, is five equal to three plus two, or is five greater than three plus two?

We could use counters to help us compare. Here are five counters. And to show three plus two, here are three green counters and two red. Three plus two is five. So we can say that five is equal to three plus two. We can also compare subtraction sentences with numbers. Which symbol would make this number sentence correct? 10 subtract two is less than, equal to, or greater than nine. If we have 10 blocks and we take away two, we have eight. Eight is less than nine. So we can say that 10 subtract two is less than nine. Let’s practice comparing addition and subtraction expressions to numbers using the symbols less than, equal to, and greater than.

Anthony and Chloe baked nine cookies to take to a party. Their sister ate two of them. They need to take six cookies to the party. How many cookies are left? Nine take away two equals what. They need to take six cookies to the party. Pick the correct symbol to compare the number they have left to the number they need. Nine take away two is less than six, equal to six, or greater than six. Are there enough cookies left?

They had nine cookies, but they ate two. To find out how many cookies they have left, we need to take away two from nine. If we have nine squares and we take away two, there are seven left. Nine take away two is seven. Now that we know that nine take away two is seven, we can compare our two numbers. Is seven less than, equal to, or greater than six? Seven is one more than six. So the correct symbol is greater than. Seven is greater than six. Nine take away two is greater than six. We know that the children need to take six cookies to the party, and they have seven left. We know that seven is greater than six. Do they have enough cookies to take to the party? Yes, they do.

In this question, we were asked to compare nine take away two and the number six. We calculated nine take away two, which is seven. And we know that seven is greater than six. So we knew the correct symbol to compare nine take away two and six is the greater than symbol because nine take away two is greater than six. Antony and Chloe needed six cookies to take to the party, and they have seven. Are there enough cookies left? Yes, seven is greater than six. Nine take away two is greater than six.

Scarlett is making soup for her friends for dinner. One pot has enough soup for five bowls and the other has enough for three bowls. Find the missing number. How many bowls of soup has she made? Five plus three equals what. There will be nine people eating dinner. Has she made enough soup? Is five plus three more than nine?

In this problem, we’re being asked to compare five plus three and nine. Is five plus three less than nine, equal to nine, or greater than nine? First, we need to add five and three. Here are five counters to represent the five bowls in the first pot. Let’s add three more. Five and three more makes eight. If five plus three is eight, then we can say that eight is less than nine. Five plus three is less than nine. Has Scarlett made enough soup? No, she hasn’t. Five plus three is eight. Five plus three is not more than nine. Five plus three is less than nine. No, Scarlett didn’t make enough soup. She needs one more bowl. Eight is one less than nine.

Is one plus four less than, equal to, or greater than five?

In this problem, we’re being asked to compare the addition expression one plus four with the number five. And we have to choose the correct symbol. Is one plus four less than five, equal to five, or greater than five? Let’s compare. One plus four is five. Five is equal to five. The missing symbol is equal to. One plus four is equal to five.

What have we learned in this video? We’ve learned how to compare addition or subtraction expressions with numbers using the symbols less than, equal to, and greater than.

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