Common Core Math: Grade 1
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1st Grade Math › Common Core Math: Grade 1
Order these objects from largest to smallest. The truck is inches, the motorcycle is
inches, and the car is
inches.
Truck, car, motorcycle
Truck, motorcycle, car
Car, motorcycle, truck
Car, truck, motorcycle
Motorcycle, truck, car
Explanation
When ordering objects from largest to smallest, you need to compare the numbers. The largest number will always be the largest object. In this case, the number is bigger than
and
so the truck comes first. The number
is bigger than
, so the car comes next. The number
is the smallest number, so the motorcycle is the smallest object.
Explanation
To add we count up. Start at and count up
.
Explanation
To add we count up. Start at and count up
.
Order these objects from smallest to largest. The cloud is inches, the sun is
inches, and the moon is
inches.
Moon, sun, cloud
Sun, cloud, moon
Sun, moon, cloud
Moon, cloud, sun
Cloud, sun, moon
Explanation
When ordering objects from smallest to largest, you need to compare the numbers. The smallest number will be the smallest object. In this case, the number is smaller than
and
so the moon is the smallest object. The number
is smaller than
, so the sun is the next object. The number
is the biggest number, so the cloud is the largest object.
Which of the equations is TRUE?
Explanation
When you subtract from
you get
.
does not equal
because
.
does not equal
because
.
does not equal
because
.
Which of the equations is TRUE?
Explanation
Both and
equal
. So these two equations equal each other.
,
, and
. Because none of these equations equal
, they can’t be equal to
.
Explanation
To add we count up. Start at and count up
.
Explanation
To add we count up. Start at and count up
.
Explanation
To add we count up. Start at and count up
.
Explanation
To add we count up. Start at and count up
.