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
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 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.
Oddrobo Software
King of Math: Full Game
All hail the king! Young mathematicians put their skills to the test as they strive to become the king of math.
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 activity, 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...
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 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
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.
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 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 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
A Math Board Game
Math is fun with a board game printable set. After printing the pieces and board for the game, have your kids play in groups to practice concepts such as operations and arithmetic formulas.
Curated OER
Non Calculator Math Quiz
Here is a quiz which does not allow calculators. Kids solve a variety of problems that range from addition and subtraction of decimal numbers to probability and perimeter. There are 24 problems to solve. As stated on the resource, 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.
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...
Curated OER
Math Magic
Learners work in pairs, and take turns pretending to be a magician. There are a set of instructions for the magician to follow. A penny and a dime are used, and odd and even numbers are employed for multiplying. There is also a nifty...
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.
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.
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
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: 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.