4th Grade Math Problem Solving

Make a Table of Contents

Problem #1 Angela bought a beautiful pen and a new notebook for $110. The pen cost $100 more than the notebook. How much does the notebook cost?

Problem #2 Poor David. He and his wife have ten boys and each boy has a sister. How many children do they have?

a mathematical process (job) operation (n) a mathematical process (job) What are four math operations you know how to do?

Say commands to your partner -Add up answers Say commands to your partner -Add up answers. The one with the highest number wins. You can’t use the same one more than once. 2 + 234 18 + 3 8 ÷2 20 ÷4 13–10 64–20 16 ×160 17 ×170 12 + 4,300 36 + 6,800 32 ÷4 81 ÷9 2,400–1,000 5,300–1,000 15 ×50

addition (n)

subtraction (n)

division (n)

multiplication (n)

factor (n) Numbers that you multiply together

product (n) The solution to a multiplication problem

Almost 400? How can you multiply 2 numbers together to result in an answer that is almost 400? How many pairs of numbers can you find?

What just happened? 1) Write down the number of the month you were born 2) Multiply it by 4 3) Add 13 4) Multiply the answer by 25 5) Subtract 200 6) Add the day of the month on which you were born 7) Multiply by 2 8) Subtract 40 9) Multiply the answer by 50 10) Add the last two digits of the year of your birth 11) Finally, subtract 10,500

Vocab Review

Vocab Review

Vocab Review

Vocab Review

Vocab Review

Vocab Review

Vocab Review

Arithmagons Forwards Arithmagon Choose two circles Multiply one number from the other in a clockwise direction as shown by the arrows and write the answer in the rectangle in between them. Continue until you have filled in the other two rectangles