Addition/Subtraction
When adding and subtracting always start from which placevalue?
The lowest! Now try 678 - 437 =
what is the formula for finding the area of a rectangle?
Length x width. Now try one, a standard piece of paper is 8 inches wide, by 11 inches long. What is the area?
What are key words in a division word problem? How would you know it's division?
divided, shared equally, split into, every, separated, equal groups, etc. Now try one. Mr. fink split the class of 20 students into 4 equal groups. How many student were in each group?
what are the two parts of a fraction called?
numerator and denominator. write and label the following fraction 5 eights.
Regroup! Now try 156 + 298 =
What is the process of breaking apart a larger number to multiply it called?
decomposing. Now try one, 32 x 5 =
what is the term that connects multiplication facts to division facts?
fact family. Connect the following three number by making 4 different equations. 3,5,15
When adding fractions what is one of the rules.
only add the numerator, the denominator must be the same, never add the denominator. add the following 7 eights + 4 eights
what do I need to do if I have fewer units than I need to take away?
Unbundle! Now try 938 - 274 =
What is an useful model when multiplying larger numbers?
Area model. Now try one, 254 x 51 =
What are the names of the three parts of a division equation?
divisor, dividend, quotient. Solve the following and label... 24 divided by 3 equals?
equivalent fractions. Find and an equivalent fraction to 6 eights.
When setting up an addition or subtraction problem what is important about the placevalues?
They must be lined up! Now try 2,596 - 84 =
factors and product. Label each part after you complete the question. 9 x 6 =
What is the name of the strategy for solving big division problems? What is the strategy we use to solve these?
Long division, partial quotient. Solve the following 256 divided by 5
What do we call the dot that separates a whole number from a fraction of a whole number.
decimal point. Solve the following. 3.94 + .79