Curated OER
Find the Difference--Mental Arithmetic
In this subtraction worksheet, 3rd graders solve 4 subtraction problems mentally and then write their answers in the boxes provided. Students fill in the missing numbers in 11 problems and explain how they got to their answers in the...
Curated OER
Mental Arithmetic Sets 3 and 4
In this mental arithmetic learning exercise, 3rd graders answer 20 short answer questions related to place value, addition, subtraction, and skip counting.
Curated OER
Mental Arithmetic
Fifth graders complete a mental arithmetic race worksheet while reviewing the associated concepts. For this mental math lesson, 5th graders complete as much of the associated worksheet as they are able to in one minute. They review and...
Curated OER
Mental Arithmetic
In this mental math worksheet, students answer 2 sets of mental math questions about writing whole numbers, place value, counting back and on in tens and addition and subtraction.
Curated OER
Mental Arithmetic--Adding to Thousands
In this adding to thousands instructional activity, students mentally add 12 problems as fast as they can without using paper and only writing down their answers. Students solve 3 additional addition problems and then explain what method...
Curated OER
Mental Arithmetic - Adding to Thousands
In this addition worksheet, students solve the 15 addition problems using mental math. The last 3 problems ask that students write down the method they used to solve the problem. In these problems, a 4-digit number is added to a 1-digit...
Curated OER
Mental Division of Whole Numbers
For this mental division worksheet, students utilize mental arithmetic to answer forty division math problems dealing with whole numbers. Students check their answers online as they go.
Mental Arithmetic
Mixed Addition and Subtraction Year 1
Reinforce addition and subtraction with a 30-problem arithmetic worksheet in which scholars add and subtract numbers between one through 10.
Curated OER
Mental Math for Adding Decimals
Fifth graders work in groups to practice adding decimals. In this adding decimals lesson, 5th graders call out different money amounts to each other and mentally add the coins called out. Students take turns calling out and adding the...
Curated OER
Mental Multiplication and Division
Students practice multiplication and division problems using mental math. They play the online game ArithmAttack to complete as many multiplications or divisions as possible in 60 seconds. Afterward, they complete a paper based follow up...
Curated OER
Find the Difference--Mental Arithmetic
In this subtraction activity, 3rd graders solve 4 subtraction problems and find the missing number in 6 subtraction problems. Students work out 5 additional problems and explain how they got to the answer they got to on each one.
Curated OER
Mental Arithmetic Race
In this mental arithmetic race, students compute as many arithmetic problems as possible in a given length of time. Problems include whole and decimal numbers. Students mentally divide multiply, and add whole numbers and decimals. This...
EngageNY
Mental Math
Faster than a speedy calculator! Show your classes how to use polynomial identities to multiply numbers quickly using mental math.
Mental Arithmetic
1-12 Times Tables
Support math instruction with a 30-problem arithmetic worksheet that lends its focus to times tables. Leaners practice 1 through 12 with a straightforward math drill.
Mental Arithmetic
Number Bonds to 10
First graders solve the sums up to 10 using the mental math strategy of number bonding. Thirty different addition facts on the worksheet allow for plenty of practice.
Curated OER
Mental Arithmetic
In this math activity, students are read a series of questions. They answer them mentally. The questions and answers are on the activity.
Curated OER
Arithmetic: Revision
In this mental math activity, 7th graders find the products in a variety of multiplication problems. They complete 22 problems that include multiplication of basic factors, money, decimals and word problems.
Curated OER
Arithmetic: Division of Decimals
For this arithmetic worksheet, students mentally divide whole numbers and decimals. They translate word problems to equations and then solve them. This six-page worksheet contains approximately 70 problems. Answers are provided on the...
Curated OER
Arithmetic: Fractions
In this fraction learning exercise, students add and subtract fractions with unlike denominators. They multiply and divide fractions. This one-page learning exercise is designed for mental math. It contains 30 problems, with answers.
Curated OER
Two-Digit Subtraction With and Without Regrouping
Second graders subtract two-digit numbers. In this mathematics lesson, 2nd graders subtract both with and without regrouping. Students use manipulatives and place value mats to assist in problem solving.
Curated OER
Mental Addition and Subtraction
Students play the online game ArithmAttack to practice mental math skills. They play the game to as many additions or subtractions as possible in sixty seconds. Afterward, they complete a paper based follow up exercise.
Scholastic
Week 19 Questions
Present your young mathematicians with a new challenge each day. Fractions on Monday, Tuesday is 2's Day, Wednesday is for squares, Thursday is 99 cents day, and by Friday it's time to deal with time. In addition, just for fun, there's a...
Curated OER
Arithmetic: Fractions and Percentages
Young mathematicians review the basic operations needed for addition and subtraction of fractions. They review the rules for addition and subtraction of fractions with the same denominator, how to change them if the denominators are...
Noyce Foundation
Gym
Give the class a mental work out with an assessment task in which young mathematicians compare several gym membership options. They use substitution to calculate the cost for given numbers of months.